HOMEVULNERABILITIESCVE-2026-5549
MEDIUM

CVE-2026-5549

CWE-320Published: April 5, 2026· Updated: Apr 7, 2026

5.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:13.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-5549 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (5)

→
https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-05-exposed-rsa-private-key.md
→
https://vuldb.com/submit/782298
→
https://vuldb.com/vuln/355313
→
https://vuldb.com/vuln/355313/cti
→
https://www.tenda.com.cn/

Quick Facts

CVE IDCVE-2026-5549
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-320
CISA KEVNo
EPSS (30d)0.04%
PublishedApr 5, 2026

Related CVEs (CWE-320)

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CVE-2026-7306
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CVE-2026-7018
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CVE-2026-8243
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CVE-2026-32897
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CVE-2026-8739
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-5549 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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