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CVE-2024-8573: TOTOLINK Router: Unpatched Vulnerability Allows Remote Code Execution

CVE-2024-8573 · published 2 years ago

Summary

A critical vulnerability in TOTOLINK AC1200 routers allows an attacker to potentially take control of the device remotely. This could happen if an attacker sends a specific type of input to the router's configuration system. Users should update their router to the latest firmware version as soon as possible to prevent exploitation.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
totolink	t8_firmware	4.1.5cu.861_b20230220 `cpe:2.3:o:totolink:t8_firmware:4.1.5cu.861_b20230220:::::::*`
totolink	t10_firmware	4.1.8cu.5207 `cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5207:::::::*`

Original advisory text

A vulnerability, which was classified as critical, was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc/week/sTime/eTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/AC1200T8/setParent... Exploit Third Party Advisory
https://vuldb.com/?ctiid.276807 Permissions Required
https://vuldb.com/?id.276807 Third Party Advisory
https://vuldb.com/?submit.401262 Third Party Advisory
https://www.totolink.net/ Product

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit
Gives an attacker full control

Severity

8.7 High

Exploitation

1% chance of attack within 30 days

Type

CWE-119Buffer Overflow

CWE-120Classic Buffer Overflow

Timeline

Published8 Sep 2024

Updated4 Nov 2026

First seen7 Mar 2026

Sources

CVE-2024-8573 · NVD

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