CVE-2023-41012
Auth Bypass in Chinamobile Intelligent Home Gateway Firmware hg6543c4
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-41012 is a critical-severity Session Fixation (CWE-384) vulnerability in Chinamobile Intelligent Home Gateway Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Junk Data (T1001.001); ranked in the top 26% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
China Mobile Intelligent Home Gateway firmware version HG6543C4 contains a design flaw in its authentication mechanism, tracked as CVE-2023-41012 and assigned CWE-384. The vulnerability permits remote attackers to bypass identity verification and execute arbitrary commands on the device. It carries a CVSS 3.1 base score of 9.8, reflecting network attack vector, low complexity, and no required privileges or user interaction.
Unauthenticated remote attackers can exploit the weakness to gain full control of affected gateways, potentially compromising home-network traffic, connected devices, and any credentials stored on the appliance. The flaw stems from inadequate session or authentication-state handling that allows crafted requests to achieve command execution without valid credentials.
Public references consist of a detailed technical disclosure on GitHub that reproduces the command-execution path resulting from the identity-verification design flaw; no vendor advisory, patch, or official mitigation guidance is referenced in the available sources. The associated EPSS score reached a peak of 0.0703 before receding to its current value of 0.0404, indicating modest post-disclosure interest that has since declined.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-45549
Vulnerability Data
An issue in China Mobile Communications China Mobile Intelligent Home Gateway v.HG6543C4 allows a remote attacker to execute arbitrary code via the authentication mechanism.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
—
—
—
V4.4.4V7.6.2
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Session termination after a set interval shortens the usable lifetime of a fixed session identifier, making successful exploitation of session fixation more difficult.
Re-authentication typically forces issuance of a new session, limiting the window for exploitation of a previously fixed session identifier.
Enforces proper session ID generation and binding, preventing fixation of a known session token.
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.
Managing identities and credentials includes handling session identifiers as temporary credentials that must be invalidated on re-authentication.
Proper authentication processes must invalidate prior session identifiers to prevent fixation attacks.
Protecting and verifying identity assertions encompasses secure handling and regeneration of session tokens.
Configuration baselines can enforce session regeneration and timeout settings that block fixation.
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.