CVE-2025-5911: TOTOLINK EX1200T HTTP POST Request formDMZ buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-10 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formDMZ of the component HTTP POST Request Handler. The manipulation 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 EX1200T: 4.1.2cu.5232_b20210713

References

https://github.com/byxs0x0/cve2/blob/main/7.md
https://vuldb.com/?ctiid.311684
https://vuldb.com/?id.311684
https://vuldb.com/?submit.592272
https://www.totolink.net/
https://github.com/byxs0x0/cve2/blob/main/7.md

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