CVE-2026-9457
Totolink A8000RU Web Management cstecgi.cgi UploadFirmwareFile os command injection
HIGH 8.9EPSS 3.3%
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
- Affected
- Totolink · A8000RU
- CVSS v4.0 VULDB
- 8.9 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:X - CVSS v3.1 VULDB
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 VULDB
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 3.25% chance of exploitation in the next 30 days, 88th percentile
- Published
- 2026-05-25
- Updated
- 2026-05-26
Proof-of-concept exploits (1)
- Litengzheng/vuldb_new2/blob/main/A8000RU/vul_343/README.md1★ · 2026-04-27