← Vulnerability feed

Vulnerability record · CVE-2024-7463 · published 5 August 2024

CVE-2024-7463: Totolink cp900 firmware classic buffer overflow vulnerability

TTotolink · Cp900 Firmware

A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273556. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

8.7 CVSS 4.0 High EPSS 11% · top 4.2% CWE-120 · Classic buffer overflow
8.7CVSS 4.0 base score, v2 9.0
11%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 classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273556. 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/CP900/UploadCustomModule.md Exploit
https://vuldb.com/?ctiid.273556 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.273556 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.381333 Third Party AdvisoryVDB Entry

Track CVE-2024-7463 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2022-28495Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the setWebWlanIdx function via the webWl…EPSS 2.4%9.8CVE-2022-28496Totolink cp900 firmware command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 discovered to contain a command injection vulnerability in the setPasswordCfg function via the adminus…EPSS 1.4%9.8CVE-2022-28497Totolink cp900 firmware command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the mtd_write_bootloader function via th…EPSS 1.4%9.8CVE-2022-28491Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost function via the host_name parameter…EPSS 4.7%9.8CVE-2022-28493Totolink cp900 firmware vulnerabilityA vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,EPSS 0.68%9.8CVE-2022-28492Totolink cp900 firmware vulnerabilityTOTOLINK Technology CPE with firmware V6.3c.566 ,allows remote attackers to bypass Login.EPSS 1.3%9.8CVE-2022-28494Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the setUpgradeFW function via the filena…EPSS 2.6%6.3CVE-2025-44836Totolink cp900 firmware command injection vulnerabilityTOTOLINK CPE CP900 V6.3c.1144_B20190715 was discovered to contain a command injection vulnerability in the setApRebootScheCfg function via the hour o…EPSS 0.94%

Source: NIST National Vulnerability Database (record CVE-2024-7463), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.