CVE-2026-4253

LOW EPSS 92.9%
Published Mar 16, 20263mo ago · Modified Jun 17, 20262w ago
2.0 CVSS 4.0
Low
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS Details

Base Score
2.0
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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 High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
92.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

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

Affected Products 2

VendorProductVersionRange
tendaac8_firmware16.03.50.11any
tendaac85.0any

References 5

  • github.com https://github.com/digitalandrew/tenda_ac8_v5/blob/main/poc_cmdi_config_upload.py
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.351211
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.351211
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.771771
    ExploitThird Party AdvisoryVDB Entry
  • tenda.com.cn https://www.tenda.com.cn/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.