High severity · published Apr 11, 2023
CVE-2023-26588
Use of hard-coded credentials vulnerability in Buffalo network devices allows an attacker to access the debug function of the product
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Use of hard-coded credentials vulnerability in Buffalo network devices allows an attacker to access the debug function of the product. The affected products and versions are as follows: BS-GSL2024 firmware Ver. 1.10-0.03 and earlier, BS-GSL2016P firmware Ver. 1.10-0.03 and earlier, BS-GSL2016 firmware Ver. 1.10-0.03 and earlier, BS-GS2008 firmware Ver. 1.0.10.01 and earlier, BS-GS2016 firmware Ver. 1.0.10.01 and earlier, BS-GS2024 firmware Ver. 1.0.10.01 and earlier, BS-GS2048 firmware Ver. 1.0.10.01 and earlier, BS-GS2008P firmware Ver. 1.0.10.01 and earlier, BS-GS2016P firmware Ver. 1.0.10.01 and earlier, and BS-GS2024P firmware Ver. 1.0.10.01 and earlier
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BF
Bs-gs2008 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2008p Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2016 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2016hp Firmware · Buffalo
before 1.1.7.01 · source: NVD
BF
Bs-gs2016p Firmware · Buffalo
through 1.0.10.01; before 1.1.7.01 · source: NVD
BF
Bs-gs2024 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2024hp Firmware · Buffalo
before 1.1.7.01 · source: NVD
BF
Bs-gs2024p Firmware · Buffalo
through 1.0.10.01; before 1.1.7.01 · source: NVD
BF
Bs-gs2048 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gsl2005 Firmware · Buffalo
before 1.12-0.01 · source: NVD
BF
Bs-gsl2005p Firmware · Buffalo
before 1.11-0.01 · source: NVD
BF
Bs-gsl2008 Firmware · Buffalo
before 1.12-0.01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-26588
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-26588
Patch
https://jvn.jp/en/vu/JVNVU96824262/
Vendor Advisory
https://www.buffalo.jp/news/detail/20230310-01.html
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