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CVE-2017-2126

25
FAUCET Score

CVE-2017-2126 is a critical authentication bypass vulnerability affecting Buffalo WAPM-1166D (firmware Ver.1.2.7 and earlier) and WAPM-APG600H (firmware Ver.1.16.1 and earlier) wireless access points. This flaw allows unauthenticated remote attackers to gain full access to the device's configuration interface through unspecified vectors. With a CVSS score of 9.8 (CRITICAL), successful exploitation could lead to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has not been added to CISA's KEV catalog, indicating no evidence of active exploitation. Community discussion and media coverage are also minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.7CPE matchmatch criteria
cpe:2.3:o:buffalo:wapm-1166d_firmware:*:*:*:*:*:*:*:*
<= 1.16.1CPE matchmatch criteria
cpe:2.3:o:buffalo:wapm-apg600h_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.02%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0402 is in the 83rd percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

buffalo.jp / support_s/s20170718.html
Vendor Advisory
jvn.jp / en/jp/JVN48823557/index.html
Third Party AdvisoryVDB Entry