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Vulnerability record · CVE-2024-7338 · published 1 August 2024

CVE-2024-7338: Totolink ex1200l firmware classic buffer overflow vulnerability

TTotolink · Ex1200l Firmware

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-273261 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

8.7 CVSS 4.0 High EPSS 1.2% · top 33.0% CWE-120 · Classic buffer overflow
8.7CVSS 4.0 base score, v2 9.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-273261 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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:X/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/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX1200/setParentalRules.md ExploitTechnical DescriptionThird Party Advisory
https://vuldb.com/?ctiid.273261 Permissions RequiredVDB Entry
https://vuldb.com/?id.273261 Permissions RequiredVDB Entry
https://vuldb.com/?submit.379316 Third Party AdvisoryVDB Entry

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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-2023-4412Totolink ex1200l firmware os command injection vulnerabilityA vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The ma…EPSS 3.7%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%

Source: NIST National Vulnerability Database (record CVE-2024-7338), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.