CVE-2024-0998: Totolink N200RE cstecgi.cgi setDiagnosisCfg stack-based overflow

7.2 CVSS

Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Es wurde eine Schwachstelle in Totolink N200RE 9.3.5u.6139_B20201216 ausgemacht. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion setDiagnosisCfg der Datei /cgi-bin/cstecgi.cgi. Durch Manipulation des Arguments ip 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-2024-0998

CVSS Base Severity: HIGH

CVSS Base Score: 7.2

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

Problem Types

CWE-121 Stack-based Buffer Overflow

Affected Products

Vendor: Totolink

Product: N200RE

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.26% (probability of being exploited)

EPSS Percentile: 49.74% (scored less or equal to compared to others)

EPSS Date: 2025-06-08 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: total

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-0998
https://vuldb.com/?id.252267
https://vuldb.com/?ctiid.252267
https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setDiagnosisCfg-b2d36451543e4c6da063646721a24604?pvs=4

Timeline