High severity · published Mar 8, 2026
CVE-2026-3769
Tenda F453 WrlclientSet stack-based overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function WrlclientSet of the file /goform/WrlclientSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F4
F453 · Tenda
1.0.0.3 · source: vendor
FF
F453 Firmware · Tenda
1.0.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3769
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3769
Exploit
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_72/README.md
Permissions Required
https://vuldb.com/?ctiid.349747
Third Party Advisory
https://vuldb.com/?id.349747
Third Party Advisory
https://vuldb.com/?submit.768297
Product
https://www.tenda.com.cn/
More from F453
9.8
CVE-2026-3271
Tenda F453 httpd P2pListFilterof fromP2pListFilter buffer overflow
8.8
CVE-2026-6989
Tenda F453 Telnet Service telnet TendaTelnet command injection
8.8
CVE-2026-5021
Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow
8.8
CVE-2026-4554
Tenda F453 WriteFacMac FormWriteFacMac privilege escalation
8.8
CVE-2026-4553
Tenda F453 Parameters Natlimit fromNatlimit stack-based overflow