How severe is CVE-2023-40282?

CVE-2023-40282 has a CVSS 3.x base score of 5.4, 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 low, integrity low, and availability none.

Is CVE-2023-40282 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40282?

CVE-2023-40282 affects Rakuten Wifi Pocket Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40282?

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

When was CVE-2023-40282 published?

CVE-2023-40282 was published on 2023-08-23 and last updated on 2026-06-17.

CVE-2023-40282

CVE-2023-40282 is a medium-severity vulnerability in Rakuten Wifi Pocket Firmware with a CVSS 3.x base score of 5.4. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Rakuten Wifi Pocket Firmware
Published: 2023-08-23
Last modified: 2026-06-17

Description

Improper authentication vulnerability in Rakuten WiFi Pocket all versions allows a network-adjacent attacker to log in to the product's Management Screen. As a result, sensitive information may be obtained and/or the settings may be changed.

Frequently asked questions

What is CVE-2023-40282?: Improper authentication vulnerability in Rakuten WiFi Pocket all versions allows a network-adjacent attacker to log in to the product's Management Screen. As a result, sensitive information may be obtained and/or the settings may be changed.
How severe is CVE-2023-40282?: CVE-2023-40282 has a CVSS 3.x base score of 5.4, 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 low, integrity low, and availability none.
Is CVE-2023-40282 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40282?: CVE-2023-40282 affects Rakuten Wifi Pocket Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40282?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40282 published?: CVE-2023-40282 was published on 2023-08-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:rakuten:wifi_pocket_firmware:-:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →