What’s Vulnerable › Vulnerabilities

CVE-2011-1323

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-05-09 · updated 2026-06-16
• Weakness: CWE-20

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.

Affected products

• NEC Ip38X/1000: all versions
• NEC Ip38X/103: all versions
• NEC Ip38X/105: all versions
• NEC Ip38X/107E: all versions
• NEC Ip38X/1100: all versions
• NEC Ip38X/1200: all versions
• NEC Ip38X/140: all versions
• NEC Ip38X/1500: all versions
• NEC Ip38X/200: all versions
• NEC Ip38X/2000: all versions
• NEC Ip38X/250I: all versions
• NEC Ip38X/300: all versions
• NEC Ip38X/3000: all versions
• NEC Ip38X/52: all versions
• NEC Ip38X/55I: all versions
• NEC Ip38X/57I: all versions
• NEC Ip38X/58I: all versions
• NEC Ip38X/Sr100: all versions
• NEC Ip38X/V700: all versions
• Yamaha Rt100I: 1.02.05, 1.02.08, 1.02.16, 1.03.08, 1.03.12, 1.03.15 (+61)
• Yamaha Rt102I: 1.06.08, 1.06.10, 1.06.12, 1.06.14, 1.06.15, 1.06.22 (+44)
• Yamaha Rt103I: 4.00.02, 4.00.05, 4.00.07, 4.00.09, 4.00.10, 4.00.11 (+18)
• Yamaha Rt105E: 6.02.03, 6.02.04, 6.02.07, 6.02.16, 6.02.19, 6.03.04 (+8)
• Yamaha Rt105I: 6.02.03, 6.02.04, 6.02.07, 6.02.16, 6.02.19, 6.03.04 (+8)
• Yamaha Rt105P: 6.02.03, 6.02.04, 6.02.07, 6.02.16, 6.02.19, 6.03.04 (+8)
• Yamaha Rt107E: 8.03.06, 8.03.08, 8.03.24, 8.03.26, 8.03.88, 8.03.90
• Yamaha Rt140E: 6.01.06, 6.01.07, 6.01.09, 6.02.03, 6.02.04, 6.02.07 (+11)
• Yamaha Rt140F: 6.01.06, 6.01.07, 6.01.09, 6.02.03, 6.02.04, 6.02.07 (+11)
• Yamaha Rt140I: 6.01.06, 6.01.07, 6.01.09, 6.02.03, 6.02.04, 6.02.07 (+11)
• Yamaha Rt140P: 6.01.06, 6.01.07, 6.01.09, 6.02.03, 6.02.04, 6.02.07 (+11)

References

• 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

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