Read the docs
TI-2026-79142 Aliases CVE-2026-114575GHSA-8wp9-f64g-53hq

Command injection in TOTOLINK A950RG UploadCustomModule function

Priority HIGH 82CWE-74Published · Updated

Key facts

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

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

Summary

TOTOLINK A950RG 4.1.2cu.5268_B20221104 is affected. The UploadCustomModule function in lib/cste_modules/product.so fails to sanitize the FileMd5 argument, which lets an attacker inject operating system commands (CWE-77). An unauthenticated remote attacker can exploit this without user interaction, and a public exploit has been published.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this issue is the function UploadCustomModule of the file lib/cste_modules/product.so. Executing a manipulation of the argument FileMd5 can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0221 82nd 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
Yes
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
TOTOLINKA950RG4.1.2cu.5268_B20221104—No fix listedCNA
  • A950RG VendorTOTOLINK Affected 4.1.2cu.5268_B20221104 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:*——TOTOLINK
  • cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:* Versions — — ·TOTOLINK

Remediation

No fixed version is listed for TOTOLINK A950RG.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-114575
  2. 2026-10-22 Alias added: GHSA-8wp9-f64g-53hq
  3. 2026-10-28 CISA SSVC decision points changed
  4. 2026-10-28 Priority changed: MEDIUM → HIGH

References

Exploit 1

Other 1

  • TI-2023-25090 An issue in TOTOLINK A3700R v.9.1.2u.6165_20211012 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
  • TI-2026-80926 TOTOLINK A950RG stack-based overflow in infostat.cgi via CONTENT_LENGTH CVSS 4.0CRITICAL 10.0
  • TI-2026-79031 TOTOLINK EX200 setWiFiAclAddConfig stack-based buffer overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-79012 Stack-based buffer overflow in TOTOLINK EX200 setStaticDhcpConfig CVSS 4.0CRITICAL 10.0
  • TI-2026-67719 Stack-based overflow in Totolink A3002MU QoS rule handler CVSS 4.0CRITICAL 10.0
  • TI-2026-67718 Improper authorization in Totolink A3002MU authentication check CVSS 4.0CRITICAL 10.0
See all 1317 →

Sources

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