CVE-2024-0997

Name: CVE-2024-0997
Creator: NVD / NIST
Published: 2024-01-29T13:15:08.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2024-0997 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252266 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

Affected Software

Vendor	Product	Versions
Totolink	N200re Firmware	9.3.5u.6139_b20201216

References

https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setOpModeCfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4Exploit, Third Party Advisory
https://vuldb.com/?ctiid.252266Third Party Advisory
https://vuldb.com/?id.252266Third Party Advisory
https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setOpModeCfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4Exploit, Third Party Advisory
https://vuldb.com/?ctiid.252266Third Party Advisory
https://vuldb.com/?id.252266Third Party Advisory

Timeline

Published: Jan 29, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-0997?

How severe is CVE-2024-0997?

CVE-2024-0997 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2024-0997?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-0997?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST