High severity · published Jul 13, 2026
CVE-2026-15543
Tenda CH22 CertListInfo formCertListInfo buffer overflow
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was found in Tenda CH22 1.0.0.1. This impacts the function formCertListInfo of the file /goform/CertListInfo. The manipulation of the argument Name results in buffer overflow. The attack can be launched 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)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CH22 · Tenda
1.0.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15543
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15543
candle-throne-f75.notion.site
https://candle-throne-f75.notion.site/Tenda-CH22-formCertListInfo-377df0aa11858088aabaeb0f5e1909c9
vuldb.com
https://vuldb.com/cve/CVE-2026-15543
vuldb.com
https://vuldb.com/submit/855077
vuldb.com
https://vuldb.com/vuln/377893
vuldb.com
https://vuldb.com/vuln/377893/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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