CVE-2025-4834 is a critical buffer overflow vulnerability affecting TOTOLINK A702R, A3002R, and A3002RU routers running firmware version 3.0.0-B20230809.1615. This flaw, located in the HTTP POST Request Handler's formSetLg function, can be triggered remotely by manipulating the "submit-url" argument. With a CVSS score of 8.8 (High), successful exploitation could lead to high confidentiality, integrity, and availability impacts. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, and it lacks significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.0-b20230809.1615CPE matchmatch criteria | cpe:2.3:o:totolink:a702r_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:* | ||
3.0.0-b20230809.1615CPE matchmatch criteria | cpe:2.3:o:totolink:a3002r_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:* | ||
3.0.0-b20230809.1615CPE matchmatch criteria | cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/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:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.