What’s Vulnerable › Vulnerabilities

CVE-2025-57623

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-09-25 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.

Affected products

• TOTOLINK N600R: 4.3.0cu.7866_b2022506

References

• https://gist.github.com/z472421519/d17061ea79a72d39fe69c000fa1a6280
• https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/CONTENT_LENGTH.md

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