Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-7997

The DHCP implementation in Cisco IOS on Aironet access points does not properly handle error conditions with short leases and unsuccessful lease-renewal attempts, which allows remote attackers to cause a denial of service (device restart) by triggering a transition into a recovery state that was intended to involve a network-interface restart but actually involves a full device restart, aka Bug ID CSCtn16281.

Security Impact Summary

CVE-2014-7997 is a security vulnerability that . Impacting 21 products from cisco, from cisco, from cisco and 18 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-11-15T02:59:01.517

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.1 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

6.5

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	-	Yes
Hardware	cisco	aironet_1040	-	No
Hardware	cisco	aironet_1140	-	No
Hardware	cisco	aironet_1260	-	No
Hardware	cisco	aironet_3500	-	No
Hardware	cisco	aironet_3600	-	No
Hardware	cisco	aironet_3600e	-	No
Hardware	cisco	aironet_3600i	-	No
Hardware	cisco	aironet_3600p	-	No
Hardware	cisco	aironet_600_office_extend	-	No
Hardware	cisco	aironet_ap1100	*	No
Hardware	cisco	aironet_ap1130ag	*	No
Hardware	cisco	aironet_ap1131	*	No
Hardware	cisco	aironet_ap1200	*	No
Hardware	cisco	aironet_ap1230ag	*	No
Hardware	cisco	aironet_ap1240	*	No
Hardware	cisco	aironet_ap1240ag	*	No
Hardware	cisco	aironet_ap1300	*	No
Hardware	cisco	aironet_ap1400	*	No
Hardware	cisco	aironet_ap340	*	No
Hardware	cisco	aironet_ap340	11.21	No
Hardware	cisco	aironet_ap350	*	No
Hardware	cisco	aironet_ap350	11.21	No

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-7997 Vendor Advisory ([email protected])
http://www.securitytracker.com/id/1031218 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/98691 ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-7997 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031218 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/98691 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.