CVE-2023-50986
CWE-787Published: December 20, 2023· Updated: Jul 9, 2026
Official Description
Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the time parameter in the sysLogin function.
Risk Analysis
The Tenda i29 contains a buffer overflow in the sysLogin function that can be triggered remotely. This critical flaw poses a significant risk of unauthorized system access or service disruption.
There is no public exploit currently available. The vulnerability is remotely exploitable with low attack complexity.
Apply the latest available firmware updates for the Tenda i29 and ensure the device is protected by strong authentication and network segmentation.
Technical Analysis
CVE-2023-50986 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-2023-50986 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts