CVE-2023-41557
CWE-787Published: August 30, 2023· Updated: Jun 17, 2026
Official Description
Tenda AC7 V1.0 V15.03.06.44 and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter entrys and mitInterface at url /goform/addressNat.
Risk Analysis
This vulnerability involves a stack overflow in Tenda routers caused by the entrys and mitInterface parameters. The 9.8 CVSS score indicates a critical risk of remote exploitation by unauthenticated attackers.
No public exploit is currently known, and the vulnerability is not in the KEV catalog. It is remotely exploitable.
Apply the latest firmware updates provided by Tenda for the affected AC7 and AC5 devices.
Technical Analysis
CVE-2023-41557 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-2023-41557 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts