Medium severity · published Sep 14, 2026
CVE-2026-90688
Tenda W20E HTTP formIPMacBindAdd stack-based overflow
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W2
W20E · Tenda
15.11.0.61068_1546_841_CN_TDC · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90688
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90688
github.com
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md
vuldb.com
https://vuldb.com/cve/CVE-2026-90688
vuldb.com
https://vuldb.com/submit/914958
vuldb.com
https://vuldb.com/vuln/403221
vuldb.com
https://vuldb.com/vuln/403221/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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