CVE-2023-41558
CWE-787Published: August 30, 2023· Updated: Jun 17, 2026
Official Description
Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url /goform/SetSysTimeCfg.
Risk Analysis
A stack overflow in the Tenda AC7 router can be triggered via the timeZone parameter. The 9.8 CVSS score highlights the critical nature of this flaw, which allows for unauthenticated remote code execution.
No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.
Ensure the Tenda AC7 firmware is updated to the latest available version.
Technical Analysis
CVE-2023-41558 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-41558 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts