← Vulnerability feed

Vulnerability record · CVE-2024-28639 · published 16 March 2024

CVE-2024-28639: Totolink x5000r firmware classic buffer overflow vulnerability

TTotolink · X5000r Firmware

Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022, allow remote attackers to execute arbitrary code and cause a denial of service (DoS) via the IP field.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 32.1% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022, allow remote attackers to execute arbitrary code and cause a denial of service (DoS) via the IP field.

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

Affected products

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

References

LinkTags
https://github.com/ZIKH26/CVE-information/blob/master/TOTOLINK/Vulnerability%20Information_1.md ExploitThird Party Advisory
https://github.com/ZIKH26/CVE-information/blob/master/TOTOLINK/Vulnerability%20Information_1.md ExploitThird Party Advisory

Track CVE-2024-28639 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-2025-70327Totolink x5000r firmware argument injection vulnerabilityTOTOLINK X5000R v9.1.0cu_2415_B20250515 contains an argument injection vulnerability in the setDiagnosisCfg handler of the /usr/sbin/lighttpd executa…EPSS 0.72%9.8CVE-2025-13184Totolink x5000r firmware incorrect authorization vulnerabilityUnauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V…EPSS 11%9.8CVE-2025-51452Totolink a7000r firmware authentication bypass via alternate path vulnerabilityIn TOTOLINK A7000R firmware 9.1.0u.6115_B20201022, an attacker can bypass login by sending a specific request through formLoginAuth.htm.EPSS 0.38%9.8CVE-2024-32353Totolink x5000r firmware command injection vulnerabilityTOTOLINK X5000R V9.1.0cu.2350_B20230313 was discovered to contain a command injection vulnerability via the 'port' parameter in the setSSServer funct…EPSS 2.1%9.8CVE-2023-49417Totolink a7000r firmware out-of-bounds write vulnerabilityTOTOLink A7000R V9.1.0u.6115_B20201022 has a stack overflow vulnerability via setOpModeCfg.EPSS 0.87%9.8CVE-2023-49418Totolink a7000r firmware out-of-bounds write vulnerabilityTOTOLink A7000R V9.1.0u.6115_B20201022has a stack overflow vulnerability via setIpPortFilterRules.EPSS 0.87%9.8CVE-2023-6612Totolink x5000r firmware os command injection vulnerabilityA vulnerability was found in Totolink X5000R 9.1.0cu.2300_B20230112. It has been rated as critical. This issue affects the function setDdnsCfg/setDyn…EPSS 31%9.8CVE-2023-45984Totolink x5000r firmware out-of-bounds write vulnerabilityTOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the lang parameter i…EPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2024-28639), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.