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CVE-2011-1323

23
FAUCET Score

CVE-2011-1323 describes a denial-of-service vulnerability affecting Yamaha RTX, RT, SRT, RTV, RTW, and RTA series routers (firmware 6.x-10.x) and NEC IP38X series routers (firmware 6.x-10.x). Remote attackers can trigger a device reboot by sending a crafted IP header option that causes access to an invalid memory location. This vulnerability carries a CVSS score of 7.8, indicating high severity with a network-based attack vector and low complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.02.05CPE matchmatch criteria
cpe:2.3:o:yamaha:rt100i:1.02.05:*:*:*:*:*:*:*
1.02.08CPE matchmatch criteria
cpe:2.3:o:yamaha:rt100i:1.02.08:*:*:*:*:*:*:*
1.02.16CPE matchmatch criteria
cpe:2.3:o:yamaha:rt100i:1.02.16:*:*:*:*:*:*:*
1.03.08CPE matchmatch criteria
cpe:2.3:o:yamaha:rt100i:1.03.08:*:*:*:*:*:*:*
1.03.12CPE matchmatch criteria
cpe:2.3:o:yamaha:rt100i:1.03.12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 56th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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