CVE-2025-4849 is a critical command injection vulnerability affecting TOTOLINK N300RH firmware version 6.1c.1390_B20191101. This flaw, residing in the CloudACMunualUpdateUserdata function within /cgi-bin/cstecgi.cgi, allows remote attackers to execute arbitrary commands by manipulating the 'url' argument. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.1c.1390_b20191101CPE matchmatch criteria | cpe:2.3:o:totolink:n300rh_firmware:6.1c.1390_b20191101:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.