How severe is CVE-2023-37566?

CVE-2023-37566 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37566?

CVE-2023-37566 primarily affects Elecom Wrc-1167ghbk3-a Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37566?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-37566 published?

CVE-2023-37566 was published on 2023-07-13 and last updated on 2026-06-17.

CVE-2023-37566

CVE-2023-37566 is a high-severity vulnerability in Elecom Wrc-1167ghbk3-a Firmware with a CVSS 3.x base score of 8.0. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Elecom Wrc-1167ghbk3-a Firmware
Published: 2023-07-13
Last modified: 2026-06-17

Description

Command injection vulnerability in ELECOM and LOGITEC wireless LAN routers allows a network-adjacent authenticated attacker to execute an arbitrary command by sending a specially crafted request to the web management page. Affected products and versions are as follows: 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-1900GHBK-A all versions, and LAN-W301NR all versions.

Frequently asked questions

What is CVE-2023-37566?: Command injection vulnerability in ELECOM and LOGITEC wireless LAN routers allows a network-adjacent authenticated attacker to execute an arbitrary command by sending a specially crafted request to the web management page. Affected products and versions are as follows: 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-1900GHBK-A all versions, and LAN-W301NR all versions.
How severe is CVE-2023-37566?: CVE-2023-37566 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37566?: CVE-2023-37566 primarily affects Elecom Wrc-1167ghbk3-a Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37566?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-37566 published?: CVE-2023-37566 was published on 2023-07-13 and last updated on 2026-06-17.

References

Affected products (2)

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

More vulnerabilities in Elecom Wrc-1167ghbk3-a Firmware

CVE-2023-37567 — Critical (CVSS 9.8): Command injection vulnerability in ELECOM and LOGITEC wireless LAN routers allows a remote unauthenticated attacker to…
CVE-2023-37565 — High (CVSS 8.0): Code injection vulnerability in ELECOM wireless LAN routers allows a network-adjacent authenticated attacker to execute…
CVE-2023-37564 — High (CVSS 8.0): OS command injection vulnerability in ELECOM wireless LAN routers allows a network-adjacent authenticated attacker to…
CVE-2023-37563 — Medium (CVSS 6.5): ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent…

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