Cyber Resilience

CVE-2023-2923

MediumPublic PoC

Published: 27 May 2023

Published
27 May 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0013 31.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-2923 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda Ac6 Firmware. Its CVSS base score is 6.3 (Medium).

Operationally, ranked at the 31.8th 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

A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by this vulnerability is the function fromDhcpListClient. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public…

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and may be used. The identifier VDB-230077 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

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

Affected Assets

tenda
ac6 firmware
us_ac6v1.0br_v15.03.05.19

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-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References