CVE-2026-5849: A vulnerability was determined in Tenda i12 1.0.0.11(3862)
CVE-2026-5849 is a high-severity flaw (CVSS 7.3) affecting i12 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 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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.3 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-04-09 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-5849?
i12 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-5849 being exploited?
CVE-2026-5849 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-2026-5849 affect?
CVE-2026-5849 affects i12 firmware. Severity is high (CVSS 7.3). 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
How urgent is CVE-2026-5849?
Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action