CVE-2026-5549: A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01

Routine

MEDIUM 5.3REMOTEMITIGATE

CVE-2026-5549 is a medium-severity flaw (CVSS 5.3) affecting ac10 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-320, CWE-321
Published	2026-04-05
Last modified	2026-07-24

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-05 08:16 UTCPublished CVE record published
2026-07-24 20:10 UTCUpdated Record last modified

tenda ac10 firmware MITIGATE

Affected: 16.03.10.10_multi_tde01

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.03.10.10_multi_tde01

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-5549?

ac10 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-5549 being exploited?

CVE-2026-5549 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-5549 affect?

CVE-2026-5549 affects ac10 firmware. Severity is medium (CVSS 5.3). 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 manipulatio

How urgent is CVE-2026-5549?

Priority 32/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-5548 HIGH 8.8 MITIGATE A vulnerability was found in Tenda AC10 16.03.10.10_multi_TDE01
CVE-2026-5547 MEDIUM 6.3 MITIGATE A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01
CVE-2026-5550 HIGH 8.8 MITIGATE A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01

References

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