PatchTheCVECVE-2026-5830: A vulnerability was identified in Tenda AC15 15.03.05.18
CVE-2026-5830 is a high-severity flaw (CVSS 8.8) affecting ac15 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-07-24 · 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-2026-5830?
ac15 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-5830 being exploited?
CVE-2026-5830 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-2026-5830 affect?
CVE-2026-5830 affects ac15 firmware. Severity is high (CVSS 8.8). A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can
How urgent is CVE-2026-5830?
Priority 48/100. High severity; Public exploit reference
Related CVEs
- CVE-2026-4975 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda AC15 15.03.05.19