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TI-2023-18724 Aliases CVE-2023-36955GHSA-7mhw-hvfr-5wr9

TOTOLINK CP300+ <=V5.2cu.7594_B20200910 was discovered to contain a stack overflow via…

Priority MEDIUM 50CWE-787Published · Updated

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 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

TOTOLINK CP300+ <=V5.2cu.7594_B20200910 was discovered to contain a stack overflow via the File parameter in the function UploadCustomModule.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00849 58th 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
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
——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:cp300\+_firmware:*:*:*:*:*:*:*:*up to 5.2cu.7594_b20200910VulnerableTOTOLINK
cpe:2.3:h:totolink:cp300\+:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:cp300\+_firmware:*:*:*:*:*:*:*:* Versions up to 5.2cu.7594_b20200910 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:cp300\+:-:*:*:*:*:*:*:* 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-2023-36955
  2. 2026-10-03 Alias added: GHSA-7mhw-hvfr-5wr9

References

Exploit 1

  • TI-2023-17370 TOTOLINK CP300+ V5.2cu.7594 contains a Denial of Service vulnerability in function… CVSS 3.1HIGH 7.5
  • TI-2023-15243 A command injection vulnerability in the hostTime parameter in the function… CVSS 3.1CRITICAL 9.8
  • TI-2023-18723 TOTOLINK CP300+ V5.2cu.7594_B20200910 and before is vulnerable to command injection. CVSS 3.1CRITICAL 9.8
  • TI-2023-18722 TOTOLINK CP300+ V5.2cu.7594_B20200910 and before is vulnerable to command injection. CVSS 3.1CRITICAL 9.8
  • TI-2023-18721 TOTOLINK CP300+ V5.2cu.7594_B20200910 was discovered to contain a stack overflow via the… CVSS 3.1CRITICAL 9.8

Sources

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