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Vulnerability record · CVE-2025-5907 · published 10 June 2025

CVE-2025-5907: Totolink ex1200t firmware memory buffer overflow vulnerability

TTotolink · Ex1200t Firmware

A vulnerability classified as critical was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

7.4 CVSS 4.0 High EPSS 6.2% · top 6.7% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability classified as critical was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/byxs0x0/cve2/blob/main/3.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.311680 Permissions RequiredVDB Entry
https://vuldb.com/?id.311680 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.592267 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product
https://github.com/byxs0x0/cve2/blob/main/3.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-51451Totolink ex1200t firmware improper authentication vulnerabilityIn TOTOLINK EX1200T firmware 4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.EPSS 0.38%9.8CVE-2025-28038Totolink ex1200t firmware os command injection vulnerabilityTOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setWebWlanIdx function through…EPSS 1.2%9.8CVE-2025-28039Totolink ex1200t firmware os command injection vulnerabilityTOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through …EPSS 1.2%9.8CVE-2023-52032Totolink ex1200t firmware vulnerabilityTOTOlink EX1200T V4.1.2cu.5232_B20210713 was discovered to contain a remote command execution (RCE) vulnerability via the "main" function.EPSS 1.6%9.8CVE-2021-42890Totolink ex1200t firmware os command injection vulnerabilityTOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control …EPSS 1.9%9.8CVE-2021-42888Totolink ex1200t firmware os command injection vulnerabilityTOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function setLanguageCfg of the file global.so which can control l…EPSS 1.9%9.8CVE-2021-42887Totolink ex1200t firmware vulnerabilityIn TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.EPSS 44%9.8CVE-2021-42884Totolink ex1200t firmware os command injection vulnerabilityTOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function setDeviceName of the file global.so which can control th…EPSS 2.4%

Source: NIST National Vulnerability Database (record CVE-2025-5907), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.