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CVE-2023-33669

CriticalPublished

Tenda AC8V4.0-V16.03.34.06 was discovered to contain a stack overflow via the timeZone parameter in the sub_44db3c function.

Published: Jun 2, 2023
Updated: Jan 8, 2025
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

2.1%

Low · next 30 days

Percentile: 80.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Tenda AC8V4.0-V16.03.34.06 was discovered to contain a stack overflow via the timeZone parameter in the sub_44db3c function.

Sources

CVE-2023-33669Exploit
Stack overflow exploit for Tenda AC8 router (CVE-2023-33669) targeting firmware US_AC8V4.0si_V16.03.34.06 with emulation and RCE via TFTP.
tenda-ac8v4-ropExploit
Exploits for Tenda Ac8v4 stack-based overflow to Remote-Code Execution via Mipsel Ropping (CVE-2023-33669 - CVE-2023-33675)

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