Read the docs
TI-2022-21741 Aliases CVE-2022-44256GHSA-hff6-mhh2-fwxf

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via…

Priority MEDIUM 44CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter lang in the setLanguageCfg function.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02255 83rd 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

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:nr1800x_firmware:9.3.5u.6369_b20220309:*:*:*:*:*:*:*9.3.5u.6369_b20220309VulnerableTOTOLINK
cpe:2.3:h:totolink:nr1800x:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:nr1800x_firmware:9.3.5u.6369_b20220309:*:*:*:*:*:*:* Versions 9.3.5u.6369_b20220309 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:nr1800x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-44256
  2. 2026-10-03 Alias added: GHSA-hff6-mhh2-fwxf

References

Exploit 1

  • TI-2023-06604 Totolink NR1800X cstecgi.cgi loginAuth stack-based overflow CVSS 3.1CRITICAL 9.8
  • TI-2026-01040 Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-28867 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
  • TI-2025-28866 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
  • TI-2025-28865 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
  • TI-2025-28864 TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack… CVSS 3.1HIGH 8.8
See all 26 →

Sources

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