Cyber Resilience

CVE-2025-65295

Crypto Weakness in Aqara Hub M2 Firmware 4.3.6_0027

Public PoCCrypto Weakness
Published
10 December 2025
Modified
17 December 2025
CVSS Score v3.1 8.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0023 14th percentile
Risk Priority 58 floored blend · peak EPSS

Summary

CVE-2025-65295 is a high-severity Inadequate Encryption Strength (CWE-326) vulnerability in Aqara Hub M2 Firmware. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Supply Chain Compromise (T1195); ranked at the 14th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SC-13 (Cryptographic Protection) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Multiple vulnerabilities in Aqara Hub firmware update process in the Camera Hub G3 4.1.9_0027, Hub M2 4.3.6_0027, and Hub M3 4.3.6_0025 devices, allow attackers to install malicious firmware without proper verification. The device fails to validate firmware signatures during updates,…

more

uses outdated cryptographic methods that can be exploited to forge valid signatures, and exposes information through improperly initialized memory.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1195 Supply Chain Compromise Initial Access
Adversaries may manipulate products or product delivery mechanisms prior to receipt by a final consumer for the purpose of data or system compromise.
T1195.002 Compromise Software Supply Chain Initial Access
Adversaries may manipulate application software prior to receipt by a final consumer for the purpose of data or system compromise.
T1542 Pre-OS Boot Stealth
Adversaries may abuse Pre-OS Boot mechanisms as a way to establish persistence on a system.
T1553 Subvert Trust Controls Defense Impairment
Adversaries may undermine security controls that will either warn users of untrusted activity or prevent execution of untrusted programs.
T1553.002 Code Signing Defense Impairment
Adversaries may create, acquire, or steal code signing materials to sign their malware or tools.
T1110 Brute Force Credential Access
Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-65297Same product: Aqara Camera Hub G3
CVE-2025-65290Same product: Aqara Camera Hub G3
CVE-2025-65291Same product: Aqara Camera Hub G3
CVE-2025-65296Same product: Aqara Camera Hub G3
CVE-2025-65294Same product: Aqara Camera Hub G3
CVE-2025-65292Same product: Aqara Camera Hub G3
CVE-2025-65293Same product: Aqara Camera Hub G3
CVE-2025-55039Shared CWE-326, CWE-347
CVE-2026-50086Same vendor: Aqara
CVE-2026-50088Same vendor: Aqara

Affected Assets

aqara
hub m2 firmware
4.3.6_0027
aqara
hub m3 firmware
4.3.6_0025
aqara
camera hub g3 firmware
4.1.9_0027

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 28 hardening rules · 8 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V11.4.2
  • V14.1.2
  • V14.2.4

Mitigating Controls (NIST 800-53 r5) AI

SC-13 requires selection and implementation of specific cryptographic algorithms and key lengths, directly preventing use of inadequate encryption strength.

Developer testing and static analysis directly find uses of uninitialized variables before deployment.

Mandating integrity verification tools directly requires proper cryptographic signature checking to detect unauthorized changes.

Documented development standards and tools can enforce initialization requirements in code.

Engineering principles can mandate explicit variable initialization to avoid uninitialized use.

SC-12 governs cryptographic key establishment and management, which can enforce sufficient key sizes and thereby reduce inadequate encryption strength.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.DS-01 mostly match
prevents

Strong encryption is required to protect confidentiality of data-at-rest.

PR.DS-02 mostly match
prevents

Strong encryption is required to protect confidentiality of data-in-transit.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly catch uninitialized-variable defects via static analysis and code review while the control encompasses many additional development controls.

ID.RA-09 partial match
prevents

Requires assessing authenticity and integrity of acquired assets, which commonly relies on signature verification but is limited to pre-acquisition.

PR.PS-01 partial match
prevents

Hardened baselines can enforce minimum cryptographic algorithm and key-length settings.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can detect uninitialized-variable bugs, but the control is broader.

prevents

Requiring the organization to define and enforce minimum cryptographic strength prevents deployment of insufficient key lengths or weak ciphers that can be brute-forced.

prevents

Secure development life cycle mandates practices that reduce uninitialized-variable defects.

prevents

Application security requirements can specify initialization rules, but the control itself does not directly address the weakness.

prevents

Secure coding explicitly requires variable initialization and static-analysis checks.

none

Secure architecture principles encourage defensive coding that can mitigate uninitialized variables.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (2 rules)
  • V-248574 YUM must be configured to prevent the installation of patches, service packs, device drivers, or OL 8 system components that have not been digitally signed using a certificate that is recognized and approved by the organization. prevents CWE-347
  • V-248575 OL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components of local packages without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization. prevents CWE-347
Oracle Linux 9 (3 rules)
  • V-271525 OL 9 must have GPG signature verification enabled for all software repositories. prevents CWE-347
  • V-271523 OL 9 must check the GPG signature of locally installed software packages before installation. prevents CWE-347
  • V-271756 OL 9 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection. prevents CWE-326
RHEL 7 (2 rules)
  • V-204447 The Red Hat Enterprise Linux operating system must prevent the installation of software, patches, service packs, device drivers, or operating system components from a repository without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization. prevents CWE-347
  • V-204448 The Red Hat Enterprise Linux operating system must prevent the installation of software, patches, service packs, device drivers, or operating system components of local packages without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization. prevents CWE-347
RHEL 8 (2 rules)
  • V-230264 RHEL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components from a repository without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization. prevents CWE-347
  • V-230224 All RHEL 8 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection. prevents CWE-326
RHEL 9 (2 rules)
  • V-257822 RHEL 9 must have GPG signature verification enabled for all software repositories. prevents CWE-347
  • V-257879 RHEL 9 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection. prevents CWE-326
Windows Server 2016 (1 rule)
  • V-224843 Systems requiring data at rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. prevents CWE-326

References