What’s Vulnerable › Vulnerabilities

CVE-2025-6400: TOTOLINK N300RH HTTP POST Message formPortFw buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-21 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink N300RH: 6.1c.1390_b20191101

References

• https://github.com/d2pq/cve/blob/main/616/20.md
• https://github.com/d2pq/cve/blob/main/616/20.md#poc
• https://vuldb.com/?ctiid.313394
• https://vuldb.com/?id.313394
• https://vuldb.com/?submit.597687
• https://www.totolink.net/
• https://github.com/d2pq/cve/blob/main/616/20.md

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