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Unrated severityNVD Advisory· Published Jan 11, 2023· Updated Nov 4, 2025

Stack based overflow on Netcomm router models NF20MESH, NF20, and NL1902

CVE-2022-4873

Description

On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Netcomm/NF20MESHllm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: R6B025
  • Netcomm/NF20llm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: R6B025
  • Netcomm/NL1902llm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: R6B025

Patches

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

1

News mentions

0

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