Cyber Resilience

CVE-2024-2812

MediumPublic PoC

Published: 22 March 2024

Published
22 March 2024
Modified
21 November 2024
KEV Added
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Patch
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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 0.0464 89.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-2812 is a medium-severity OS Command Injection (CWE-78) vulnerability in Tenda Ac15 Firmware. Its CVSS base score is 6.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 10.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. It has been classified as critical. This affects the function formWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac leads to os command injection. It is possible to initiate the…

more

attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-257667. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1202 Indirect Command Execution Stealth
Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.
attack.mitre.org →
T1059.008 Network Device CLI Execution
Adversaries may abuse scripting or built-in command line interpreters (CLI) on network devices to execute malicious command and payloads.
attack.mitre.org →
Why these techniques?

OS command injection in the Tenda AC15 router's public-facing web interface (/goform/WriteFacMac) enables exploitation of public-facing applications (T1190), indirect command execution via injection (T1202), and command execution on network devices (T1059.008).

Affected Assets

tenda
ac15 firmware
15.03.05.18, 15.03.05.20_multi

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.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References