Cyber Resilience

CVE-2024-2853

MediumPublic PoC

Published: 24 March 2024

Published
24 March 2024
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 0.0141 80.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-2853 is a medium-severity OS Command Injection (CWE-78) vulnerability in Tenda Ac10U Firmware. Its CVSS base score is 6.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked in the top 19.1% 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 AC10U 15.03.06.48/15.03.06.49. It has been rated as critical. This issue affects the function formSetSambaConf of the file /goform/setsambacfg. The manipulation of the argument usbName leads to os command injection. The attack may be initiated…

more

remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-257777 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

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
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.
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.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
Why these techniques?

Unauthenticated remote OS command injection (CWE-78) in the /goform/setsambacfg web endpoint enables exploitation of a public-facing application (T1190), exploitation of remote services (T1210), Unix Shell execution (T1059.004), and indirect command execution (T1202) via the usbName parameter.

Affected Assets

tenda
ac10u firmware
15.03.06.48, 15.03.06.49

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-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.

addresses: CWE-78

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

References