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Vulnerability record · CVE-2023-26978 · published 7 April 2023

CVE-2023-26978: Totolink a7100ru firmware command injection vulnerability

TTotolink · A7100ru Firmware

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the pppoeAcName parameter at /setting/setWanIeCfg.

9.8 CVSS 3.1 Critical EPSS 1.9% · top 20.9% CWE-77 · Command injection
9.8CVSS 3.1 base score
1.9%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 A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the pppoeAcName parameter at /setting/setWanIeCfg.

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/Am1ngl/ttt/tree/main/28 ExploitThird Party Advisory
https://github.com/Am1ngl/ttt/tree/main/28 ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2025-44655Totolink a7100ru firmware vulnerabilityIn TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.conf. This could lead to unauthorized acce…EPSS 0.34%9.8CVE-2023-7095Totolink a7100ru firmware classic buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue is the function ma…EPSS 14%9.8CVE-2023-6906Totolink a7100ru firmware classic buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in Totolink A7100RU 7.4cu.2313_B20191024. Affected is the function main of the file /cgi…EPSS 1.8%9.8CVE-2023-33556Totolink a7100ru firmware command injection vulnerabilityTOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.EPSS 2.0%9.8CVE-2023-30053Totolink a7100ru firmware os command injection vulnerabilityTOTOLINK A7100RU V7.4cu.2313_B20191024 is vulnerable to Command Injection.EPSS 2.1%9.8CVE-2023-30054Totolink a7100ru firmware os command injection vulnerabilityTOTOLINK A7100RU V7.4cu.2313_B20191024 has a Command Injection vulnerability. An attacker can obtain a stable root shell through a specially construc…EPSS 2.1%9.8CVE-2023-26848Totolink a7100ru firmware command injection vulnerabilityTOTOlink A7100RU(V7.4cu.2313_B20191024) was discovered to contain a command injection vulnerability via the org parameter at setting/delStaticDhcpRul…EPSS 1.9%9.8CVE-2023-27232Totolink a7100ru firmware command injection vulnerabilityTOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the wanStrategy parameter at /setting/setWanIe…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2023-26978), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.