Vulnerability details
CVE-2025-4496
Totolink A3000RUTotolink A3100RTotolink A800RTotolink A810RTotolink A950RGTotolink N600R
TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Totolink | A3000RU | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | A3100R | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | A800R | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | A810R | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | A950RG | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | N600R | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
| Totolink | T10 | 4.1.8cu.5241_B20210927 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/?id.308212 vdb-entrytechnical-description
- https://vuldb.com/?ctiid.308212 signaturepermissions-required
- https://vuldb.com/?submit.567081 third-party-advisory
- https://www.totolink.net/ product
- https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/1.md exploit
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Details
- Published
- 2025-05-10
- Last updated
- 2025-05-12
- State
- Published
- Assigner (CNA)
- VulDB
Exploit prediction (EPSS)
1.23%
Probability of exploitation in 30 days
69.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-120Buffer Overflow
- CWE-119Memory Corruption