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Vulnerability record · CVE-2022-25008 · published 30 March 2022

CVE-2022-25008: Totolink ex300 v2 firmware missing authentication for critical function vulnerability

TTotolink · Ex300 V2 Firmware

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism.

8.8 CVSS 3.1 High EPSS 4.4% · top 9.1% CWE-306 · Missing authentication for critical function
8.8CVSS 3.1 base score, v2 5.8
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://github.com/chibataiki/iot-vuls/blob/main/totolink/missing-authentication.md ExploitThird Party Advisory
https://github.com/chibataiki/iot-vuls/blob/main/totolink/missing-authentication.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-2022-32449Totolink ex300 v2 firmware command injection vulnerabilityTOTOLINK EX300_V2 V4.0.3c.7484 was discovered to contain a command injection vulnerability via the langType parameter in the setLanguageCfg function.…EPSS 19%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%

Source: NIST National Vulnerability Database (record CVE-2022-25008), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.