Cyber Resilience

CVE-2025-28031

MediumPublic PoC

Published: 22 April 2025

Published
22 April 2025
Modified
29 April 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS Score 0.0021 43.1th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-28031 is a medium-severity Use of Hard-coded Password (CWE-259) vulnerability in Totolink A810R Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 43.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a hardcoded password for the telnet service in product.ini.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

totolink
a810r firmware
4.1.2cu.5182_b20201026

Mitigating Controls

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.

addresses: CWE-259

Changing default authenticators prior to first use directly prevents use of hard-coded passwords.

addresses: CWE-259

Shared threat data frequently highlights products or deployments still using hard-coded passwords, enabling remediation that directly blocks credential-based attacks.

addresses: CWE-259

Background checks and authorization requirements decrease the probability that a developer will hard-code passwords for later unauthorized access.

addresses: CWE-259

Reviews of supplier deliverables reduce the chance that hard-coded passwords are introduced into the system.

References