CVE-2026-5177
Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injection
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injection
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
- Record
CVE-2026-5177- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 6.5
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-77, CWE-74
- Updated
- 2026-11-02
EUVDEUVD-2026-17281
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
- Record
EUVD-2026-17281- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mq3w-44cm-pfv8
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this...
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
- Record
GHSA-mq3w-44cm-pfv8- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-74
- Updated
- 2026-11-02
NVD
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
- Record
CVE-2026-5177- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-74, CWE-77
- 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-2026-5177 is a medium vulnerability (CVSS 5.3) in Totolink A3300r, published March 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.74%, the 86th percentile. No source names a fixed version.