CVE-2022-43108
CWE-787Published: November 3, 2022· Updated: Jun 17, 2026
Official Description
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewallCfg function.
Risk Analysis
The Tenda AC23 router contains a stack overflow vulnerability in its firewall configuration function. This critical flaw allows remote attackers to potentially execute arbitrary code, and it is not currently tracked in the KEV database.
No public exploit is known for this issue, though the vulnerability is remotely exploitable with low complexity.
Apply the latest firmware updates for the Tenda AC23 to address this stack overflow risk.
Technical Analysis
CVE-2022-43108 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-2022-43108 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts