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Rv130W Wireless N Multifunction Vpn Router Firmware CVE-2016-1397

MEDIUM
Buffer Overflow (CWE-119)
2016-06-19 psirt@cisco.com
6.5
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.51%.

Exploit ScenarioDerived

A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Buffer overflow in the web-based management interface on Cisco RV110W devices with firmware before 1.2.1.7, RV130W devices with firmware before 1.0.3.16, and RV215W devices with firmware before. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Buffer overflow in the web-based management interface on Cisco RV110W devices with firmware before 1.2.1.7, RV130W devices with firmware before 1.0.3.16, and RV215W devices with firmware before 1.3.0.8 allows remote authenticated users to cause a denial of service (device reload) via crafted configuration commands in an HTTP request, aka Bug ID CSCux82523. Affected products include: Cisco Rv215W Wireless-N Vpn Router Firmware, Cisco Rv110W Wireless-N Vpn Firewall Firmware, Cisco Rv130W Wireless-N Multifunction Vpn Router Firmware. Version information: before 1.2.1.7.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

Buffer overflow in the web-based management interface on Cisco RV110W devices with firmware before 1.2.1.7, RV130W devices with firmware before 1.0.3.16, and RV215W devices with firmware before 1.3.0.8 allows remote authenticated users to cause a denial of service (device reload) via crafted configuration commands in an HTTP request, aka Bug ID CSCux82523.

Threat Intelligence Overview

EPSS Score
0.5%
Top 33% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:1.1.0.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:1.1.0.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:1.2.0.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:1.2.0.15:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:1.3.0.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv110w_wireless-n_vpn_firewall_firmware:1.1.0.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv110w_wireless-n_vpn_firewall_firmware:1.2.0.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv110w_wireless-n_vpn_firewall_firmware:1.2.0.10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv110w_wireless-n_vpn_firewall_firmware:1.2.1.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130w_wireless-n_multifunction_vpn_router_firmware:1.0.0.21:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130w_wireless-n_multifunction_vpn_router_firmware:1.0.1.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130w_wireless-n_multifunction_vpn_router_firmware:1.0.2.7:*:*:*:*:*:*:*

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