CVE-2025-4496: TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow
First published: Sat May 10 2025(Updated: )
A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927. It has been declared as critical. This vulnerability affects the function CloudACMunualUpdate of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Totolink T10 V2 Firmware | ||
| Totolink A3100R Firmware | ||
| TOTOlink A950RG | ||
| Totolink A800R firmware | ||
| Totolink N600R | ||
| Totolink A3000RU firmware | ||
| TOTOLINK A810R |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-4496?
CVE-2025-4496 has been declared as critical.
How does CVE-2025-4496 affect affected devices?
CVE-2025-4496 affects the function CloudACMunualUpdate in the file /cgi-bin/cstecgi.cgi of the affected TOTOLINK devices.
What devices are affected by CVE-2025-4496?
The vulnerable devices include TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU, and A810R.
How do I fix CVE-2025-4496?
To fix CVE-2025-4496, it is recommended to update to the latest firmware version provided by TOTOLINK.
What type of vulnerability is CVE-2025-4496?
CVE-2025-4496 is a critical vulnerability that allows manipulation of arguments in the CloudACMunualUpdate function.
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- source/MITRE
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- agent/title
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- agent/type
- agent/first-publish-date
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- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/severity
- agent/author
- agent/last-modified-date
- agent/event
- collector/epss-latest
- source/FIRST
- agent/source
- agent/tags
- agent/epss
- vendor/totolink
- canonical/totolink t10 v2 firmware
- canonical/totolink a3100r firmware
- canonical/totolink a950rg
- canonical/totolink a800r firmware
- canonical/totolink n600r
- canonical/totolink a3000ru firmware
- canonical/totolink a810r