What’s Vulnerable › Vulnerabilities

CVE-2025-5671: TOTOLINK N302R Plus HTTP POST Request formPortFw buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-05 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• TOTOLINK N302R Plus: before 3.4.0-b20201028 — fixed in 3.4.0-b20201028

How to fix

Upgrade to a fixed version: TOTOLINK N302R Plus 3.4.0-b20201028. Check the vendor advisory for mitigations.

References

• https://github.com/byxs0x0/cve2/blob/main/530/1.md
• https://vuldb.com/?ctiid.311160
• https://vuldb.com/?id.311160
• https://vuldb.com/?submit.590093
• https://www.totolink.net/

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