CVE-2022-43026
CWE-787Published: October 19, 2022· Updated: Jun 17, 2026
Official Description
Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the endIp parameter at /goform/SetPptpServerCfg.
Risk Analysis
A stack overflow vulnerability in Tenda TX3 firmware can be triggered via the endIp parameter in the PPTP server configuration. The 9.8 CVSS score indicates a critical risk of remote code execution.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Update the Tenda TX3 firmware to the latest version provided by the manufacturer.
Technical Analysis
CVE-2022-43026 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-2022-43026 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts