CVE-2026-9435
published 2026-05-25CVE-2026-9435: A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the…
PriorityP274critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.91%
77.2th percentile
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| totolink | a8000ru | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.9HIGHCVSS: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
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
cvelistv5v4.09.3CRITICALCVSS: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
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GHSA
GHSA-hjr7-w257-wr94: A vulnerability was detected in Totolink A8000RU 7
ghsa_unreviewed·2026-05-26
CVE-2026-9435 [HIGH] CWE-77 GHSA-hjr7-w257-wr94: A vulnerability was detected in Totolink A8000RU 7
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.
CVEList
Totolink A8000RU Web Management cstecgi.cgi setQosCfg os command injection
cvelistv5·2026-05-25·CVSS 9.3
CVE-2026-9435 [CRITICAL] CWE-78 Totolink A8000RU Web Management cstecgi.cgi setQosCfg os command injection
Totolink A8000RU Web Management cstecgi.cgi setQosCfg os command injection
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.
Timeline: 2026-05-24: Advisory disclosed; 2026-05-24: VulDB entry created; 2026-05-24: VulDB entry last update
VulDB
Totolink A8000RU 7.1cu.643_b20200521 Web Management Interface /cgi-bin/cstecgi.cgi setQosCfg enable os command injection
vuldb·2026-05-24
CVE-2026-9435 [CRITICAL] Totolink A8000RU 7.1cu.643_b20200521 Web Management Interface /cgi-bin/cstecgi.cgi setQosCfg enable os command injection
A vulnerability, which was classified as critical, has been found in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection.
This vulnerability is known as CVE-2026-9435. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-25
Published