How severe is CVE-2023-37563?

CVE-2023-37563 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-37563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37563?

CVE-2023-37563 primarily affects Elecom Wrc-1167ghbk-s Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37563?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-37563 published?

CVE-2023-37563 was published on 2023-07-13 and last updated on 2026-06-17.

CVE-2023-37563

CVE-2023-37563 is a medium-severity vulnerability in Elecom Wrc-1167ghbk-s Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-922.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-922
Affected product: Elecom Wrc-1167ghbk-s Firmware
Published: 2023-07-13
Last modified: 2026-06-17

Description

ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent unauthorized attacker to obtain sensitive information. Affected products and versions are as follows: WRC-1167GHBK-S v1.03 and earlier, WRC-1167GEBK-S v1.03 and earlier, WRC-1167FEBK-S v1.04 and earlier, WRC-1167GHBK3-A v1.24 and earlier, WRC-1167FEBK-A v1.18 and earlier, WRC-F1167ACF2 all versions, WRC-600GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-1467GHBK-A all versions, WRC-1467GHBK-S all versions, WRC-1900GHBK-A all versions, and WRC-1900GHBK-S all versions.

Frequently asked questions

What is CVE-2023-37563?: ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent unauthorized attacker to obtain sensitive information. Affected products and versions are as follows: WRC-1167GHBK-S v1.03 and earlier, WRC-1167GEBK-S v1.03 and earlier, WRC-1167FEBK-S v1.04 and earlier, WRC-1167GHBK3-A v1.24 and earlier, WRC-1167FEBK-A v1.18 and earlier, WRC-F1167ACF2 all versions, WRC-600GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-1467GHBK-A all versions, WRC-1467GHBK-S all versions, WRC-1900GHBK-A all versions, and WRC-1900GHBK-S all versions.
How severe is CVE-2023-37563?: CVE-2023-37563 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-37563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37563?: CVE-2023-37563 primarily affects Elecom Wrc-1167ghbk-s Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37563 published?: CVE-2023-37563 was published on 2023-07-13 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:elecom:wrc-1167ghbk-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-1167gebk-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-1167febk-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-1167ghbk3-a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-1167febk-a_firmware:*:*:*:*:*:*:*:*

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