How severe is CVE-2026-5849?

CVE-2026-5849 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-5849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5849?

CVE-2026-5849 affects Tenda I12 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-5849 have an EU (EUVD) identifier?

Yes. CVE-2026-5849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20860.

When was CVE-2026-5849 published?

CVE-2026-5849 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-5849

CVE-2026-5849 is a high-severity vulnerability in Tenda I12 Firmware with a CVSS 3.x base score of 7.3. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20860
Weakness: CWE-22
Affected product: Tenda I12 Firmware
Published: 2026-04-09
Last modified: 2026-06-17

Description

A vulnerability was determined in Tenda i12 1.0.0.11(3862). The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2026-5849?: A vulnerability was determined in Tenda i12 1.0.0.11(3862). The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2026-5849?: CVE-2026-5849 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-5849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5849?: CVE-2026-5849 affects Tenda I12 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-5849 have an EU (EUVD) identifier?: Yes. CVE-2026-5849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20860.
When was CVE-2026-5849 published?: CVE-2026-5849 was published on 2026-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:i12_firmware:1.0.0.11\(3862\):*:*:*:*:*:*:*

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