CVE-2016-4576

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the Huawei IPS Module, NGFW Module, NIP6300, NIP6600, Secospace USG6300, USG6500, USG6600, USG9500, and AntiDDoS8000 devices with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to "illegitimate parameters."

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
82.1%
KEV
Not listed

Published

May 23, 2016

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 8, 2026
No patch confirmed yet.
generic
http://www.securityfocus.com/bid/90530
generic

Security Advisory - Buffer Overflow Vulnerability in Huawei Several Products

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160511-01-aspf-en

Data Freshness Timeline

(refreshed 12× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 109 total refreshes for this CVE.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:23 UTCEG score recompute
  3. 2026-07-22 22:02 UTCEG score recompute
  4. 2026-07-22 14:04 UTCEPSS rescore
  5. 2026-07-21 15:21 UTCEPSS rescore
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  7. 2026-07-20 17:03 UTCEPSS rescore
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  24. 2026-07-09 19:05 UTCEPSS rescore
  25. 2026-07-08 15:10 UTCEPSS rescore
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  1. 2026-07-07 13:42 UTCEPSS rescore
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  9. 2026-06-30 23:19 UTCEPSS rescore
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  20. 2026-06-22 14:23 UTCEPSS rescore
  21. 2026-06-21 14:54 UTCEPSS rescore
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  23. 2026-06-21 01:57 UTCEPSS rescore
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  25. 2026-06-19 19:23 UTCEPSS rescore
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  27. 2026-06-18 17:50 UTCEPSS rescore
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  30. 2026-06-16 17:50 UTCEPSS rescore
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  40. 2026-06-10 13:18 UTCEPSS rescore
  41. 2026-06-08 14:14 UTCEPSS rescore
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  44. 2026-06-06 13:45 UTCEPSS rescore
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  50. 2026-06-02 20:10 UTCEPSS rescore
  51. 2026-06-01 13:49 UTCEPSS rescore
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  53. 2026-05-31 22:28 UTCEPSS rescore
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  55. 2026-05-31 00:14 UTCEPSS rescore
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  63. 2026-05-24 16:43 UTCEPSS rescore
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  72. 2026-05-20 11:21 UTCEPSS rescore
  73. 2026-05-20 10:42 UTCGHSA enrichment
  74. 2026-05-20 06:29 UTCGHSA enrichment
  75. 2026-05-20 02:16 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2016-4576?
CVE-2016-4576 is a critical vulnerability published on May 23, 2016. Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the Huawei IPS Module, NGFW Module, NIP6300, NIP6600, Secospace USG6300, USG6500, USG6600, USG9500, and AntiDDoS8000 devices with software before V500R001C20SPC100 allows remote attackers to cause a denial of…
When was CVE-2016-4576 disclosed?
CVE-2016-4576 was first published in the National Vulnerability Database on May 23, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-4576 actively exploited?
CVE-2016-4576 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-4576?
CVE-2016-4576 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-4576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4576, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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