High severity · published May 25, 2026
CVE-2026-9429
Tenda F1202 WrlExtraSet formWrlExtraSet stack-based overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability was found in Tenda F1202 1.2.0.20(408). Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet. Performing a manipulation of the argument delno results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could 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)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
F1
F1202 · Tenda
1.2.0.20(408) · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9429
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9429
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/F1202/vul_31/README.md
vuldb.com
https://vuldb.com/submit/813912
vuldb.com
https://vuldb.com/vuln/365410
vuldb.com
https://vuldb.com/vuln/365410/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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