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CVE-2021-20730

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR...

4.3 Medium

CVE-2021-20730 is a medium vulnerability (CVSS 4.3) in Buffalo Wsr-1166dhp3 Firmware, published June 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.

What does this mean?
Severity
4.3 MediumCVSS 3.1, NVD
Exploit chance
0.37%EPSS, 31st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.37%Down 0.3 points since Jun 9, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used4.3

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.

Record
CVE-2021-20730
CVSS 3.1
4.3 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
3.3 LowAV:A/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE ListNo score

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.

Record
CVE-2021-20730
Updated
2026-11-02
EUVDEUVD-2021-8144No score

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.

Record
EUVD-2021-8144
Updated
2026-11-03
GitHub AdvisoriesGHSA-g265-pf9w-jhwr4.3

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR...

Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.

Record
GHSA-g265-pf9w-jhwr
CVSS 3.1
4.3 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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