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Fencer Vulns
critical 9.8

CVE-2024-23486 json

Plaintext storage of a password issue exists in BUFFALO wireless LAN routers, which may allow a network-adjacent unauthenticated attacker w…

published 2024-04-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-20984

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Plaintext storage of a password issue exists in BUFFALO wireless LAN routers, which may allow a network-adjacent unauthenticated attacker with access to the product's login page may obtain configured credentials.

Patch / fix

  • buffalo_inc wsr-2533dhp2 1.06
  • buffalo_inc a2533dhp2 1.06
  • buffalo a2533dhp2 1,06
  • buffalo wsr-2533dhpl 1.06

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • BUFFALO INC. WSR-2533DHP
  • BUFFALO INC. WSR-2533DHPL
  • BUFFALO INC. WSR-2533DHP2
  • BUFFALO INC. WSR-A2533DHP2
  • buffalo_inc wsr-2533dhp2
  • buffalo_inc a2533dhp2
  • buffalo a2533dhp2
  • buffalo wsr-2533dhpl

Classification

Weakness
  • CWE-256 Plaintext Storage of a Password

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.