CVEs / CVE-2025-8138
CVE-2025-8138: TOTOLINK A702R vulnerability
- high 7.4 CVSS 4.0 (from the CNA)
- EPSS 11.2% chance of exploitation in the next 30 days, higher than 95% of CVEs (1 Nov 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-8138
Description
A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formOneKeyAccessButton of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| TOTOLINK A702R | 4.0.0-B20230721.1521 | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 30 Oct 2026.
Severity
| CVSS 4.0 | 7.4 highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-119, CWE-120 |
References
- CVE-2025-8138 on NVD
- https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formOneKeyAccessButton.md Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.317534 Permissions Required
- https://vuldb.com/?id.317534 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.620484 Third Party Advisory, VDB Entry
- https://www.totolink.net/ Product
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.