High severity8.8NVD Advisory· Published Apr 8, 2024· Updated Jun 17, 2026

CVE-2024-31809

Description

TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the FileName parameter in the setUpgradeFW function.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Totolink/EX200cpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 4.0.3c.7646_B20201211

Patches

Vulnerability mechanics

References

github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_4_setUpgradeFW/CI.mdnvdExploitThird Party Advisory

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