How severe is CVE-2018-8941?

CVE-2018-8941 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8941?

CVE-2018-8941 affects D-link Dsl-3782 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8941?

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-2018-8941 published?

CVE-2018-8941 was published on 2018-04-03 and last updated on 2026-06-17.

CVE-2018-8941

CVE-2018-8941 is a high-severity vulnerability in D-link Dsl-3782 Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: D-link Dsl-3782 Firmware
Published: 2018-04-03
Last modified: 2026-06-17

Description

Diagnostics functionality on D-Link DSL-3782 devices with firmware EU v. 1.01 has a buffer overflow, allowing authenticated remote attackers to execute arbitrary code via a long Addr value to the 'set Diagnostics_Entry' function in an HTTP request, related to /userfs/bin/tcapi.

Frequently asked questions

What is CVE-2018-8941?: Diagnostics functionality on D-Link DSL-3782 devices with firmware EU v. 1.01 has a buffer overflow, allowing authenticated remote attackers to execute arbitrary code via a long Addr value to the 'set Diagnostics_Entry' function in an HTTP request, related to /userfs/bin/tcapi.
How severe is CVE-2018-8941?: CVE-2018-8941 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8941?: CVE-2018-8941 affects D-link Dsl-3782 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8941?: 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-2018-8941 published?: CVE-2018-8941 was published on 2018-04-03 and last updated on 2026-06-17.

References

https://github.com/SECFORCE/CVE-2018-8941

Affected products (1)

cpe:2.3:o:d-link:dsl-3782_firmware:1.01:*:*:*:*:*:*:*

More vulnerabilities in D-link Dsl-3782 Firmware

CVE-2018-10750 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a…
CVE-2018-10749 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'commit'…
CVE-2018-10748 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'show'…
CVE-2018-10747 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as an 'unset'…
CVE-2018-10746 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'get'…
CVE-2018-10713 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'read'…

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