How severe is CVE-2023-37561?

CVE-2023-37561 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-37561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37561?

CVE-2023-37561 primarily affects Elecom Wrh-300wh-h Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37561?

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

When was CVE-2023-37561 published?

CVE-2023-37561 was published on 2023-07-13 and last updated on 2026-06-17.

CVE-2023-37561

CVE-2023-37561 is a medium-severity vulnerability in Elecom Wrh-300wh-h Firmware with a CVSS 3.x base score of 6.1. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Elecom Wrh-300wh-h Firmware
Published: 2023-07-13
Last modified: 2026-06-17

Description

Open redirect vulnerability in ELECOM wireless LAN routers and ELECOM wireless LAN repeaters allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks via a specially crafted URL. Affected products and versions are as follows: WRH-300WH-H v2.12 and earlier, WTC-300HWH v1.09 and earlier, WTC-C1167GC-B v1.17 and earlier, and WTC-C1167GC-W v1.17 and earlier.

Frequently asked questions

What is CVE-2023-37561?: Open redirect vulnerability in ELECOM wireless LAN routers and ELECOM wireless LAN repeaters allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks via a specially crafted URL. Affected products and versions are as follows: WRH-300WH-H v2.12 and earlier, WTC-300HWH v1.09 and earlier, WTC-C1167GC-B v1.17 and earlier, and WTC-C1167GC-W v1.17 and earlier.
How severe is CVE-2023-37561?: CVE-2023-37561 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-37561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37561?: CVE-2023-37561 primarily affects Elecom Wrh-300wh-h Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37561 published?: CVE-2023-37561 was published on 2023-07-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:elecom:wrh-300wh-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wtc-300hwh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wtc-c1167gc-b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wtc-c1167gc-w_firmware:*:*:*:*:*:*:*:*

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CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
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CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

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