VulnerabilityAnalyzed
CVE-2025-12240
A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024.
HIGH 7.4EPSS 0.77%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
- 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/M
- EPSS
- 0.77% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- totolink/a3300r firmware
- Source
- cna@vuldb.com
References
- https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.329910Permissions Required, VDB Entry
- https://vuldb.com/?id.329910Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.673722Third Party Advisory, VDB Entry
- https://www.totolink.net/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.