CVE-2026-5549: Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key
Vulnerability summary
CVE-2026-5549 is a high (CVSS 7.5) Key Management Errors vulnerability in tenda ac10_firmware. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 05-04-2026PublishedVulnerability first disclosed.
- 06-04-2026Last modifiedVulnerability information updated.
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 metrics
7 scores · 2 sources · 4 versions- NVDNIST5.5MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:RDiffers
- NVDNIST5.0MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
Increase +0.31 pp
From 0.40% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundTenda Ac10V4 Vulnerabilities
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac10_firmware16.03.10.10_multi_TDE01 | 16.03.10.10_multi_tde01
1 vendor · 1 product
References
5 links- www.tenda.com.cnProduct