TI-2024-01660 Aliases CVE-2024-1783 GHSA-7q9j-8gpw-vmc6

Totolink LR1200GB Web Interface cstecgi.cgi loginAuth stack-based overflow

MEDIUM 47CWE-121Published 2024-02-23 · Updated 2024-08-12

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi of the component Web Interface. The manipulation of the argument http_host leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-254574 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02029 81st 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: None
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	LR1200GB	9.1.0u.6619_B20230130; 9.3.5u.6698_B20230810	—	No fix listed	CNA

LR1200GB VendorTOTOLINK Affected 9.1.0u.6619_B20230130; 9.3.5u.6698_B20230810 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:lr1200gb_firmware:9.1.0u.6619_b20230130:::::::*	9.1.0u.6619_b20230130	Vulnerable	TOTOLINK
cpe:2.3:o:totolink:lr1200gb_firmware:9.3.5u.6698_b20230810:::::::*	9.3.5u.6698_b20230810	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:lr1200gb:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:lr1200gb_firmware:9.1.0u.6619_b20230130:*:*:*:*:*:*:* Versions 9.1.0u.6619_b20230130 Vulnerable ·TOTOLINK
cpe:2.3:o:totolink:lr1200gb_firmware:9.3.5u.6698_b20230810:*:*:*:*:*:*:* Versions 9.3.5u.6698_b20230810 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:lr1200gb:-:*:*:*:*:*:*:* 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-2024-1783
2026-10-03 Alias added: GHSA-7q9j-8gpw-vmc6

References

Exploit 1

https://gist.github.com/manishkumarr1017/30bca574e2f0a6d6336115ba71111984

TI-2023-25362 TOTOLINK LR1200GB V9.1.0u.6619_B20230130 was discovered to contain a stack overflow via… CVSS 3.1CRITICAL 9.8
TI-2024-00269 Totolink LR1200GB cstecgi.cgi setUssd os command injection CVSS 3.1CRITICAL 9.8
TI-2024-00536 Totolink LR1200GB cstecgi.cgi UploadCustomModule stack-based overflow CVSS 3.1CRITICAL 9.8
TI-2024-00533 Totolink LR1200GB cstecgi.cgi setTracerouteCfg stack-based overflow CVSS 3.1CRITICAL 9.8
TI-2024-00531 Totolink LR1200GB cstecgi.cgi setDiagnosisCfg stack-based overflow CVSS 3.1CRITICAL 9.8
TI-2024-00268 Totolink LR1200GB cstecgi.cgi setUploadSetting os command injection CVSS 3.1CRITICAL 9.8

See all 18 →

Sources

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