CVE-2007-4286
CVE-2007-4286 is a critical-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Cisco Ios
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2007-4286?
- 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.
- How severe is CVE-2007-4286?
- CVE-2007-4286 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2007-4286 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-4286?
- CVE-2007-4286 primarily affects Cisco Ios. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-4286?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2007-4286 published?
- CVE-2007-4286 was published on 2007-08-09 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/26360
- http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
- http://www.kb.cert.org/vuls/id/201984
- http://www.securityfocus.com/archive/1/475931/100/0/threaded
- http://www.securityfocus.com/bid/25238
- http://www.securitytracker.com/id?1018535
- http://www.vupen.com/english/advisories/2007/2818
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35889
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675
Affected products (5)
- cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
More vulnerabilities in Cisco Ios
- CVE-2011-3271 — Critical (CVSS 10.0): Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to…
- CVE-2011-0935 — Critical (CVSS 10.0): The PKI functionality in Cisco IOS 15.0 and 15.1 does not prevent permanent caching of certain public keys, which…
- CVE-2010-1574 — Critical (CVSS 10.0): IOS 12.2(52)SE and 12.2(52)SE1 on Cisco Industrial Ethernet (IE) 3000 series switches has (1) a community name of…
- CVE-2010-0581 — Critical (CVSS 10.0): Unspecified vulnerability in the SIP implementation in Cisco IOS 12.3 and 12.4 allows remote attackers to execute…
- CVE-2010-0580 — Critical (CVSS 10.0): Unspecified vulnerability in the SIP implementation in Cisco IOS 12.3 and 12.4 allows remote attackers to execute…
- CVE-2006-4950 — Critical (CVSS 10.0): Cisco IOS 12.2 through 12.4 before 20060920, as used by Cisco IAD2430, IAD2431, and IAD2432 Integrated Access Devices,…
All CVEs affecting Cisco Ios →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
- CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
- CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.