HIGH
CVE-2026-32678
CWE-288Published: March 27, 2026· Updated: Mar 31, 2026
8.7
CVSS v3.1
EPSS:0.07%probability of exploitation in 30 daysPercentile:21.3th
Official Description
Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.
Technical Analysis
CVE-2026-32678 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected Vendors & Products
buffalo92 products
wzr-s900dhp firmwarewzr-s900dhpwcr-1166dhpl firmwarewcr-1166dhplwsr3600be4-kh firmwarewsr3600be4-khwsr3600be4p firmwarewsr3600be4pwxr-1750dhp firmwarewxr-1750dhpwxr-1750dhp2 firmwarewxr-1750dhp2+80 more
Source: NVD CPE · 92 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://jvn.jp/en/jp/JVN83788689/Third Party Advisory
→
https://www.buffalo.jp/news/detail/20260323-01.htmlVendor Advisory
Quick Facts
CVE IDCVE-2026-32678
CVSS Score8.7 / 10
SeverityHIGH
WeaknessCWE-288
CISA KEVNo
EPSS (30d)0.07%
Affected1 vendor
PublishedMar 27, 2026
Related CVEs (CWE-288)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-32678 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.