CVE-2026-9387

HIGH EPSS 74.8%
Published May 24, 20261mo ago · Modified Jun 17, 20261w ago
8.9 CVSS 4.0
High
Find Similar
Published May 24, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument resetFlags results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS Details

Base Score
8.9
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
74.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

References 5

  • github.com https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_334/README.md
  • vuldb.com https://vuldb.com/submit/813433
  • vuldb.com https://vuldb.com/vuln/365350
  • vuldb.com https://vuldb.com/vuln/365350/cti
  • totolink.net https://www.totolink.net/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.