CVE-2026-76868

MEDIUMPre-NVD 4.94.9—
EchelonGraph scoreHIGH confidence

Score 4.9 from GitHub Security Advisory published 2026-09-16. a secondary CVSS source baseline 4.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.9Exploit: None knownExposed: 0

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

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in route_policy_add.cgi caused by a missing exit_port parameter. Attackers can send requests lacking the exit_port field to trigger the null pointer dereference, resulting in a denial of service.

CVSS v3
4.9
EG Score
4.9(high)
EG Risk
22(Track)
EG Risk 22/100SSVC: 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
Severity49% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 16, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Netcore NR255-V 1.5.130703 NULL Pointer Dereference in route_policy_add.cgi via Missing exit_port | Advisories | VulnCheck

https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-null-pointer-dereference-in-route-policy-add-cgi-via-missing-exit-port
generic🟡 PoC Available

netcore-router-public-refs/2026.08.19-netcore-nr255v-route-policy-null-deref.md at main · draw-ctf/netcore-router-public-refs · GitHub

https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-route-policy-null-deref.md

Vendor Advisories for CVE-2026-76868(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 30× 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.

  1. 2026-09-24 18:06 UTCEG score recompute
  2. 2026-09-24 18:06 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 18:02 UTCEG score recompute
  5. 2026-09-23 18:02 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-22 18:27 UTCEG score recompute
  8. 2026-09-22 18:27 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-21 21:09 UTCEPSS rescore
  11. 2026-09-21 18:53 UTCEG score recompute
  12. 2026-09-21 18:53 UTCGHSA enrichment
  13. 2026-09-20 20:16 UTCEPSS rescore
  14. 2026-09-20 19:19 UTCGHSA enrichment
  15. 2026-09-19 19:45 UTCEG score recompute
  16. 2026-09-19 19:45 UTCGHSA enrichment
  17. 2026-09-18 20:11 UTCEG score recompute
  18. 2026-09-18 20:11 UTCGHSA enrichment
  19. 2026-09-18 19:28 UTCEPSS rescore
  20. 2026-09-17 20:37 UTCEG score recompute
  21. 2026-09-17 20:37 UTCGHSA enrichment
  22. 2026-09-16 21:02 UTCGHSA enrichment
  23. 2026-09-16 19:24 UTCEG score recompute
  24. 2026-09-16 19:24 UTCGHSA enrichment
  25. 2026-09-16 19:15 UTCEG score recompute
Show 5 more
  1. 2026-09-16 19:15 UTCGHSA enrichment
  2. 2026-09-16 14:08 UTCEPSS rescore
  3. 2026-09-15 22:19 UTCEG score recompute
  4. 2026-09-15 22:04 UTCEG score recompute
  5. 2026-09-15 22:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76868?
CVE-2026-76868 is a medium vulnerability published on September 15, 2026. Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in routepolicyadd.cgi caused by a missing exitport parameter. Attackers can send requests lacking the exitport field to trigger the null pointer dereference, resulting in a denial of service.
When was CVE-2026-76868 disclosed?
CVE-2026-76868 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76868 actively exploited?
CVE-2026-76868 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.3% of all scored CVEs.
What is the CVSS score of CVE-2026-76868?
CVE-2026-76868 has a CVSS v3 base score of 4.9 (NVD).
How do I remediate CVE-2026-76868?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76868, 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.

Dependency Blast Radius

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