TI-2025-01150 Aliases CVE-2025-1339 GHSA-27g6-qpfh-w967

TOTOLINK X18 cstecgi.cgi setL2tpdConfig os command injection

MEDIUM 59CWE-77Published 2025-02-16 · Updated 2025-02-18

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 was found in TOTOLINK X18 9.1.0cu.2024_B20220329. It has been rated as critical. This issue affects the function setL2tpdConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.02569 85th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

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: Total

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	X18	9.1.0cu.2024_B20220329	—	No fix listed	CNA

X18 VendorTOTOLINK Affected 9.1.0cu.2024_B20220329 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:x18_firmware:9.1.0cu.2024_b20220329:::::::*	9.1.0cu.2024_b20220329	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:x18:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:x18_firmware:9.1.0cu.2024_b20220329:*:*:*:*:*:*:* Versions 9.1.0cu.2024_b20220329 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:x18:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-1339
2026-10-03 Alias added: GHSA-27g6-qpfh-w967

References

Exploit 1

https://github.com/stevenchen0x01/CVE2/blob/main/cve1.md

Other 1

https://www.totolink.net/

TI-2025-37900 TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
TI-2025-21012 TOTOLINK X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in… CVSS 3.1CRITICAL 9.8
TI-2025-20980 An issue in TOTOLINK x18 v.9.1.0cu.2024_B20220329 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
TI-2023-14025 TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
TI-2023-14024 TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
TI-2023-14023 TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain multiple command injection… CVSS 3.1CRITICAL 9.8

See all 13 →

Sources

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