← Vulnerability feed

Vulnerability record · CVE-2011-1323 · published 9 May 2011

CVE-2011-1323: Yamaha rt100i improper input validation vulnerability

Yamaha · Rt100i

Yamaha RTX, RT, SRT, RTV, RTW, and RTA series routers with firmware 6.x through 10.x, and NEC IP38X series routers with firmware 6.x through 10.x, do not properly handle IP header options, which allows remote attackers to cause a denial of service (device reboot) via a crafted option that triggers access to an invalid memory location.

7.8 CVSS 2.0 High EPSS 1.6% · top 24.6% CWE-20 · Improper input validation
7.8CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
52Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Yamaha RTX, RT, SRT, RTV, RTW, and RTA series routers with firmware 6.x through 10.x, and NEC IP38X series routers with firmware 6.x through 10.x, do not properly handle IP header options, which allows remote attackers to cause a denial of service (device reboot) via a crafted option that triggers access to an invalid memory location.

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

Affected products

52 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://jvn.jp/en/jp/JVN55714408/index.html
http://www.nec.co.jp/security-info/secinfo/nv11-004.html
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN55714408.html
http://jvn.jp/en/jp/JVN55714408/index.html
http://www.nec.co.jp/security-info/secinfo/nv11-004.html
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN55714408.html

Track CVE-2011-1323 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.5CVE-2026-88771Citrix netscaler application delivery controller improper input validation vulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEVEPSS 1.1%9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 1.1%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 57%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed10.0CVE-2026-34910Ubiquiti UniFi OS input validation flaw allows command injectionUniFi OS devices contain an improper input validation vulnerability (CWE-20) that lets a network-reachable attacker inject and execute commands. It a…KEVEPSS 46%analysed7.2CVE-2026-6973Ivanti EPMM improper input validation enables remote code executionIvanti Endpoint Manager Mobile (EPMM) before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 contains an improper input validation flaw (CWE-20) that lets …KEVEPSS 2.5%analysed7.5CVE-2026-20133Cisco Catalyst SD-WAN Manager insufficient file system restrictions expose dataCisco Catalyst SD-WAN Software has insufficient file system restrictions that let an attacker read sensitive files on the underlying operating system…KEVEPSS 32%analysed

Source: NIST National Vulnerability Database (record CVE-2011-1323), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.