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Vulnerability record · CVE-2022-25077 · published 24 February 2022

CVE-2022-25077: Totolink a3100r firmware os command injection vulnerability

TTotolink · A3100r Firmware

TOTOLink A3100R V4.1.2cu.5050_B20200504 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

9.8 CVSS 3.1 Critical EPSS 33% · top 1.7% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 7.5
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

TOTOLink A3100R V4.1.2cu.5050_B20200504 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

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

Affected products

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

References

LinkTags
https://github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/A3100R/README.md ExploitPatchThird Party Advisory
https://github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/A3100R/README.md ExploitPatchThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2025-45788Totolink a3100r firmware out-of-bounds write vulnerabilityTOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the comment parameter in setMacFilterRules.EPSS 0.79%9.8CVE-2025-45789Totolink a3100r firmware out-of-bounds write vulnerabilityTOTOLINK A3100R V5.9c.1527 is vulnerable to buffer overflow via the urlKeyword parameter in setParentalRules.EPSS 0.79%9.8CVE-2025-45790Totolink a3100r firmware out-of-bounds write vulnerabilityTOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the priority parameter in the setMacQos interface of /lib/cste_modules/firewall.so.EPSS 0.79%9.8CVE-2025-45787Totolink a3100r firmware out-of-bounds write vulnerabilityTOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow viathe comment parameter in setIpPortFilterRules.EPSS 0.79%9.8CVE-2025-28035Totolink a830r firmware os command injection vulnerabilityTOTOLINK A830R V4.1.2cu.5182_B20201102 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through th…EPSS 1.3%9.8CVE-2025-28036Totolink a950rg firmware os command injection vulnerabilityTOTOLINK A950RG V4.1.2cu.5161_B20200903 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through t…EPSS 1.3%9.8CVE-2025-28034Totolink a800r firmware os command injection vulnerabilityTOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5…EPSS 1.3%9.8CVE-2025-28256Totolink a3100r firmware os command injection vulnerabilityAn issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste_mo…EPSS 0.95%

Source: NIST National Vulnerability Database (record CVE-2022-25077), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.