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Vulnerability record · CVE-2023-4412 · published 18 August 2023

CVE-2023-4412: Totolink ex1200l firmware os command injection vulnerability

TTotolink · Ex1200l Firmware

A vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

9.8 CVSS 3.1 Critical EPSS 3.7% · top 10.5% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 6.5
3.7%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 was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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://gist.github.com/dmknght/02a29e1c5ae18b45eacc2085d22068e8 ExploitThird Party Advisory
https://vuldb.com/?ctiid.237515 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.237515 Third Party Advisory
https://gist.github.com/dmknght/02a29e1c5ae18b45eacc2085d22068e8 ExploitThird Party Advisory
https://vuldb.com/?ctiid.237515 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.237515 Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-51033Totolink ex1200l firmware os command injection vulnerabilityTOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi setOpModeCfg interface.EPSS 1.0%9.8CVE-2023-51034Totolink ex1200l firmware unrestricted file upload vulnerabilityTOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi UploadFirmwareFile interface.EPSS 1.1%9.8CVE-2023-51035Totolink ex1200l firmware os command injection vulnerabilityTOTOLINK EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution on the cstecgi.cgi NTPSyncWithHost interface.EPSS 1.3%9.8CVE-2023-4411Totolink ex1200l firmware os command injection vulnerabilityA vulnerability has been found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This vulnerability affects the function setT…EPSS 5.2%9.8CVE-2023-4410Totolink ex1200l firmware os command injection vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023. This affects the function setDiagnosisCfg…EPSS 3.7%8.7CVE-2024-7909Totolink ex1200l firmware stack-based buffer overflow vulnerabilityA vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function s…EPSS 1.5%8.7CVE-2024-7908Totolink ex1200l firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected is the function setDefResponse of th…EPSS 1.5%8.7CVE-2024-7338Totolink ex1200l firmware classic buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setParentalRules of…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2023-4412), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.