CVE-2007-4286

NONECVSS 0.0Weaponized

0.0

Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 97.0%
KEV: Not listed

Published

August 9, 2007

Last Modified

April 23, 2026

References (18)

cve@mitrehttp://secunia.com/advisories/26360
cve@mitrehttp://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
cve@mitrehttp://www.kb.cert.org/vuls/id/201984
cve@mitrehttp://www.securityfocus.com/archive/1/475931/100/0/threaded
cve@mitrehttp://www.securityfocus.com/bid/25238
cve@mitrehttp://www.securitytracker.com/id?1018535
cve@mitrehttp://www.vupen.com/english/advisories/2007/2818
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/35889
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26360
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/201984
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/475931/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/25238
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1018535

Weakness Classification(1)

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

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 5× in last 7d / 36× 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.

2026-06-15 17:44 UTCEPSS rescore
2026-06-13 22:57 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
2026-06-10 22:14 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-08 14:13 UTCEPSS rescore
2026-06-07 15:21 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:07 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 01:24 UTCEG score recompute
2026-05-31 01:24 UTCGHSA enrichment
2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Show 11 more

2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-20 22:36 UTCEPSS rescore
2026-05-20 22:36 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-4272✓ verified
First seen Aug 9, 2007
Cisco IOS Next Hop Resolution Protocol (NHRP) - Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2007-4286?

CVE-2007-4286 is a none vulnerability published on August 9, 2007. Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.

When was CVE-2007-4286 disclosed?

CVE-2007-4286 was first published in the National Vulnerability Database on August 9, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2007-4286 actively exploited?

CVE-2007-4286 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2007-4286?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-4286, 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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CVE-2007-4286

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2007-4286?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(4)

Related CVEs(same CWE)