CVE-2025-4849

5.3 mediumEPSS 1.5%

Medium (5.3) in totolink n300rh firmware. EPSS 1.5% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101. It has been rated as critical. Affected by this issue is the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument url leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Severity

CVSS 4.0

5.3 medium

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-74
Published: 2025-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:n300rh_firmware

References

https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m1.md
https://vuldb.com/?ctiid.309320
https://vuldb.com/?id.309320
https://vuldb.com/?submit.575072
https://www.totolink.net/

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