High severity · published Mar 26, 2026
CVE-2026-4902
Tenda AC5 POST Request addressNat fromAddressNat memory corruption
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability was detected in Tenda AC5 15.03.06.47. This affects the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched 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)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC5 · Tenda
15.03.06.47 · source: vendor
AF
Ac5 Firmware · Tenda
15.03.06.47 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4902
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4902
Exploit
https://lavender-bicycle-a5a.notion.site/Tenda_AC5_addressNat_page-32053a41781f8017938dda66f0193ebd?source=copy_link
Permissions Required
https://vuldb.com/?ctiid.353653
Third Party Advisory
https://vuldb.com/?id.353653
Third Party Advisory
https://vuldb.com/?submit.777378
Product
https://www.tenda.com.cn/
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