PatchTheCVECVE-2022-35911: On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the q
CVE-2022-35911 is a high-severity flaw (CVSS 7.5) affecting nhp-fb2 firmware, nhl-fb2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string. NOTE: the vendor's perspective is that "omitting the query string does not cause a denial of service and the indicated event can not be reproduced.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.9% (top 13%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2022-07-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · 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-2022-35911?
nhp-fb2 firmware: upgrade to newer than 1.46; nhl-fb2 firmware: upgrade to newer than 1.46. Exact commands for each OS are on this page.
Is CVE-2022-35911 being exploited?
CVE-2022-35911 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-2022-35911 affect?
CVE-2022-35911 affects nhp-fb2 firmware, nhl-fb2 firmware. Severity is high (CVSS 7.5). On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string. NOTE: the vendor's perspective is that "omitting the query string does not cause a denial of service and the indicate
How urgent is CVE-2022-35911?
Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action