CVE-2026-5997
Totolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Totolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
- Record
CVE-2026-5997- CVSS 4.0
- 9.3 Critical
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 - 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/E:P/RL:X/RC:R - CVSS 3.0
- 9.8 Critical
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 - CVSS 2.0
- 10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR - Weakness
- CWE-78, CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2026-21276
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
- Record
EUVD-2026-21276- CVSS 4.0
- 9.3 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p28x-g9gq-g347
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is...
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
- Record
GHSA-p28x-g9gq-g347- CVSS 4.0
- 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 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
- Record
CVE-2026-5997- CVSS 4.0
- 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 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-77, CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-5997 is a critical vulnerability (CVSS 9.3) in Totolink A7100ru, published April 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.84%, the 79th percentile. No source names a fixed version.