TI-2023-27892 Aliases CVE-2023-51022 GHSA-457r-86mp-h5w4

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command…

MEDIUM 44Published 2023-12-22 · Updated 2024-08-02

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langFlag’ parameter of the setLanguageCfg interface of the cstecgi .cgi.

Why it matters now

EPSS 0.0097 62nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:ex1800t_firmware:9.1.0cu.2112_b20220316:::::::*	9.1.0cu.2112_b20220316	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:ex1800t:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:ex1800t_firmware:9.1.0cu.2112_b20220316:*:*:*:*:*:*:* Versions 9.1.0cu.2112_b20220316 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:ex1800t:-:*:*:*:*:*:*:* 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-2023-51022
2026-10-03 Alias added: GHSA-457r-86mp-h5w4

References

Exploit 1

https://815yang.github.io/2023/12/11/EX1800T/2/3/TOTOlinkEX1800T_V9.1.0cu.2112_B20220316setLanguageCfg-langFlag/

TI-2024-22662 TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType… CVSS 3.1CRITICAL 9.8
TI-2025-02085 TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig stack-based overflow CVSS 4.0HIGH 8.7
TI-2025-02084 TOTOLINK EX1800T cstecgi.cgi setPasswordCfg stack-based overflow CVSS 4.0HIGH 8.7
TI-2025-01835 TOTOLINK EX1800T cstecgi.cgi setRptWizardCfg stack-based overflow CVSS 4.0HIGH 8.7
TI-2025-01597 Totolink EX1800T cstecgi.cgi loginAuth buffer overflow CVSS 4.0HIGH 8.7
TI-2025-01834 TOTOLINK EX1800T cstecgi.cgi setRebootScheCfg os command injection CVSS 4.0MEDIUM 5.3

See all 27 →

Sources

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