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CVE-2026-7122

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
Description
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Metadata

CVE ID
CVE-2026-7122
State
PUBLISHED
Assigner
VulDB
Reserved
2026-04-26 19:12 UTC
Published
2026-04-27 12:00 UTC
Last updated
2026-04-29 13:51 UTC
Primary CWE
CWE-78
OS Command Injection
Vendor / Product
Totolink / A8000RU
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Totolink A8000RU — 7.1cu.643_b20200521
Weakness (CWE)
CWESourceDescription
CWE-77 cna Command Injection
CWE-78 cna OS Command Injection
CVSS scores (4)
ScoreSeverityVersionSourceVector
10.0 N/D 2.0 cna AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.8 CRITICAL 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.3 CRITICAL 4.0 cna 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
References (5)
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