CVE intelligence and bounded remediation

CVE-2023-39068 — Xiongmaitech Nb080S09S-Klc Firmware security vulnerability

High CVSS 7.5

Buffer Overflow vulnerability in NBD80S09S-KLC v.YK_HZXM_NBD80S09S-KLC_V4.03.R11.7601.Nat.OnvifC.20230414.bin and NBD80N32RA-KL-V3 v.YK_HZXM_NBD80N32RA-KL_V4.03.R11.7601.Nat.OnvifC.20220120.bin allows a remote attacker to casue a denial of service via a crafted request to the service.XM component.

Severity
High
CVSS
7.5 (3.1)
Published
2023-09-11
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • xiongmaitech / nb080s09s-klc_firmware / yk_hzxm_nbd80s09s-klc_v4.03.r11.7601.nat.onvifc.20230414
  • xiongmaitech / nbd80n32ra-kl-v3_firmware / yk_hzxm_nbd80n32ra-kl_v4.03.r11.7601.nat.onvifc.20220120

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

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

The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.