TI-2025-06516 Aliases CVE-2025-7154 GHSA-8phr-4rr8-jx8r

TOTOLINK N200RE cstecgi.cgi sub_41A0F8 os command injection

MEDIUM 57CWE-77Published 2025-07-08 · Updated 2025-07-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3.5u.6139_B20201216. Affected by this issue is the function sub_41A0F8 of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Hostname leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.02364 83rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TOTOLINK	N200RE	9.3.5u.6095_B20200916; 9.3.5u.6139_B20201216	—	No fix listed	CNA

N200RE VendorTOTOLINK Affected 9.3.5u.6095_B20200916; 9.3.5u.6139_B20201216 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:n200re_firmware:9.3.5u.6095_b20200916:::::::*	9.3.5u.6095_b20200916	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:n200re:-:::::::*	not specified by NVD	Running on	TOTOLINK
cpe:2.3:o:totolink:n200re_firmware:9.3.5u.6139_b20201216:::::::*	9.3.5u.6139_b20201216	Vulnerable	TOTOLINK

cpe:2.3:o:totolink:n200re_firmware:9.3.5u.6095_b20200916:*:*:*:*:*:*:* Versions 9.3.5u.6095_b20200916 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:n200re:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK
cpe:2.3:o:totolink:n200re_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:* Versions 9.3.5u.6139_b20201216 Vulnerable ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-7154
2026-10-03 Alias added: GHSA-8phr-4rr8-jx8r

References

Exploit 1

https://github.com/FLY200503/IoT-vul/blob/master/Totolink/N200RE/README.md

Other 1

https://www.totolink.net/

TI-2024-00271 Totolink N200RE cstecgi.cgi NTPSyncWithHost os command injection CVSS 3.1CRITICAL 9.8
TI-2024-00274 Totolink N200RE cstecgi.cgi setTracerouteCfg os command injection CVSS 3.1CRITICAL 9.8
TI-2024-00273 Totolink N200RE cstecgi.cgi setDiagnosisCfg os command injection CVSS 3.1CRITICAL 9.8
TI-2024-00272 Totolink N200RE cstecgi.cgi UploadFirmwareFile os command injection CVSS 3.1CRITICAL 9.8
TI-2024-00926 Totolink N200RE cstecgi.cgi setLanguageCfg stack-based overflow CVSS 3.1HIGH 8.8
TI-2024-00925 Totolink N200RE cstecgi.cgi setIpPortFilterRules stack-based overflow CVSS 3.1HIGH 8.8

See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences