CVE-2025-4496
Last modified
CVE-2025-4496 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Totolink | A3000ru Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | A810r Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | T10 Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | A3100r Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | A950rg Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | A800r Firmware | 4.1.8cu.5241_b20210927 |
| Totolink | N600r Firmware | 4.1.8cu.5241_b20210927 |
References
- https://vuldb.com/?ctiid.308212Permissions Required, VDB Entry
- https://vuldb.com/?id.308212Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.567081Third Party Advisory, VDB Entry
- https://www.totolink.net/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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