CVE-2022-47118
CWE-787Published: December 30, 2022· Updated: Jun 17, 2026
Official Description
Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey1 parameter at /goform/WifiBasicSet.
Risk Analysis
The Tenda A15 firmware is vulnerable to a stack overflow via the wepkey1 parameter, which carries a critical CVSS score of 9.8. This flaw could be leveraged to gain unauthorized control over the affected device. It is not currently listed in the CISA KEV database.
No public exploit is known for this vulnerability. It is remotely exploitable due to the network-based attack vector and low complexity.
Apply the latest firmware patches released by Tenda for the A15 model.
Technical Analysis
CVE-2022-47118 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-2022-47118 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts