Cyber Resilience

CVE-2024-33835

CriticalPublic PoC

Published: 01 May 2024

Published
01 May 2024
Modified
10 April 2025
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0028 51.4th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-33835 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Tenda Ac18 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 48.6% 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

Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function.

CWE(s)
CWE-787CWE-121

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 →
Why these techniques?

Stack overflow vulnerability in the web management function (formSetSafeWanWebMan) of the Tenda AC18 router's public-facing web interface enables remote code execution via exploitation of a public-facing application.

Affected Assets

tenda
ac18 firmware
15.03.05.05

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.

SI-16 Memory Protection
addresses: CWE-787

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

References