CVE-2023-41560
CWE-787Published: August 30, 2023· Updated: Jun 17, 2026
Official Description
Tenda AC9 V3.0 V15.03.06.42_multi was discovered to contain a stack overflow via parameter firewallEn at url /goform/SetFirewallCfg.
Risk Analysis
A stack overflow exists in the Tenda AC9 router due to insufficient validation of the firewallEn parameter. The critical 9.8 CVSS score reflects the high risk of unauthenticated remote code execution.
No public exploit is currently known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low attack complexity.
Apply the latest firmware updates from the manufacturer to address this stack overflow vulnerability.
Technical Analysis
CVE-2023-41560 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-2023-41560 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts