CVE intelligence and bounded remediation
CVE-2022-35911 — On Patlite NH-FB series devices through 1.46, remote attackers can cause a denial of service by omitting the query string
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 indicated event can not be reproduced.
- Severity
- High
- CVSS
- 7.5 (3.1)
- Published
- 2022-07-27
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-119
Affected products
- patlite / nhp-fb2_firmware
- patlite / nhl-fb2_firmware
Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
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Check exposure
- Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
- Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
- Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.
Remediate safely
- Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
- Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
- Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.
Authoritative sources
Complete CVE record and remediation plan
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