CVE-2026-5549
CVE-2026-5549 is a medium-severity vulnerability in Tenda Ac10 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-320.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- CVSS v4: 5.5
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-19046
- Weakness: CWE-320
- Affected product: Tenda Ac10 Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-5549?
- 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.
- How severe is CVE-2026-5549?
- CVE-2026-5549 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-5549 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-5549?
- CVE-2026-5549 affects Tenda Ac10 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-5549?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-5549 have an EU (EUVD) identifier?
- Yes. CVE-2026-5549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19046.
- When was CVE-2026-5549 published?
- CVE-2026-5549 was published on 2026-04-05 and last updated on 2026-06-17.
References
- 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/
Affected products (1)
- cpe:2.3:o:tenda:ac10_firmware:16.03.10.10_multi_tde01:*:*:*:*:*:*:*
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