Cyber Resilience

CVE-2022-40847

HighPublic PoC

Published: 15 November 2022

Published
15 November 2022
Modified
07 July 2025
KEV Added
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Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0136 80.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40847 is a high-severity OS Command Injection (CWE-78) vulnerability in Tenda W15E Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 19.4% 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

In Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576), there exists a command injection vulnerability in the function formSetFixTools. This vulnerability allows attackers to run arbitrary commands on the server via the hostname parameter.

CWE(s)
CWE-78

Related Threats

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

Affected Assets

tenda
w15e firmware
15.11.0.10\(1576\)

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