CVE-2025-5600: TOTOLINK EX1200T cstecgi.cgi setLanguageCfg stack-based overflow

9.3 CVSS

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument LangType leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Eine Schwachstelle wurde in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 entdeckt. Sie wurde als kritisch eingestuft. Dies betrifft die Funktion setLanguageCfg der Datei /cgi-bin/cstecgi.cgi. Durch das Manipulieren des Arguments LangType mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-5600

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.3

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem Types

Stack-based Buffer Overflow Memory Corruption

Affected Products

Vendor: TOTOLINK

Product: EX1200T

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.08% (probability of being exploited)

EPSS Percentile: 23.98% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5600
https://vuldb.com/?id.311087
https://vuldb.com/?ctiid.311087
https://vuldb.com/?submit.588075
https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55
https://www.totolink.net/

Timeline