Login Request a demo
High severity · published Apr 5, 2026
CVE-2026-5549
Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC10 · Tenda
16.03.10.10_multi_TDE01 · source: vendor
AF
Ac10 Firmware · Tenda
16.03.10.10_multi_tde01 · source: NVD
Affected product
AC
AC10
Tenda
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5549
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5549
Third Party Advisory
https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-05-exposed-rsa-private-key.md
Third Party Advisory
https://vuldb.com/submit/782298
Third Party Advisory
https://vuldb.com/vuln/355313
Permissions Required
https://vuldb.com/vuln/355313/cti
Product
https://www.tenda.com.cn/
More from AC10
9.8
CVE-2018-14558
Tenda AC7, AC9, and AC10 Routers Command Injection Vulnerability
9.8
CVE-2026-19924
Tenda AC10 httpd R7WebsSecurityHandler improper authentication
9.8
CVE-2025-67073
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code…
9.8
CVE-2025-12622
Tenda AC10 SysRunCmd formSysRunCmd buffer overflow
9.8
CVE-2025-5629
A vulnerability, which was classified as critical, was found in Tenda AC10 up to 15.03.06.47