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CVE-2026-4253

Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection

Published: Mar 16, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-77
4.7MEDIUM
NVD MITRE
EPSS Score
6.4%
Top 7.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-77CWE-78

Affected Products

Tenda
commercial·CN
AC8
Networking Infrastructure
ac8 firmware
Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

https://vuldb.com/?id.351211
vuldb.com
https://vuldb.com/?ctiid.351211
vuldb.com
https://vuldb.com/?submit.771771
vuldb.com
and 2 more references View all →

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