How severe is CVE-2023-30063?

CVE-2023-30063 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-30063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30063?

CVE-2023-30063 affects Dlink Dir-890l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30063?

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-2023-30063 published?

CVE-2023-30063 was published on 2023-05-01 and last updated on 2026-06-17.

CVE-2023-30063

CVE-2023-30063 is a high-severity vulnerability in Dlink Dir-890l Firmware with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dlink Dir-890l Firmware
Published: 2023-05-01
Last modified: 2026-06-17

Description

D-Link DIR-890L FW1.10 A1 is vulnerable to Authentication bypass.

Frequently asked questions

What is CVE-2023-30063?: D-Link DIR-890L FW1.10 A1 is vulnerable to Authentication bypass.
How severe is CVE-2023-30063?: CVE-2023-30063 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-30063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30063?: CVE-2023-30063 affects Dlink Dir-890l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30063?: 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-2023-30063 published?: CVE-2023-30063 was published on 2023-05-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-890l_firmware:1.05:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-890l Firmware

CVE-2022-30521 — Critical (CVSS 9.8): The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router…
CVE-2019-17621 — Critical (CVSS 9.8): The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an Unauthenticated…
CVE-2017-14948 — Critical (CVSS 9.8): Certain D-Link products are affected by: Buffer Overflow. This affects DIR-880L 1.08B04 and DIR-895 L/R 1.13b03. The…
CVE-2016-6563 — Critical (CVSS 9.8): Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some…
CVE-2022-29778 — High (CVSS 8.8): D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for the…
CVE-2019-20213 — High (CVSS 7.5): D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a…

All CVEs affecting Dlink Dir-890l 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 →