How severe is CVE-2018-17989?

CVE-2018-17989 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-17989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17989?

CVE-2018-17989 affects Dlink Dsl-3782 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17989?

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

When was CVE-2018-17989 published?

CVE-2018-17989 was published on 2019-04-01 and last updated on 2026-06-17.

CVE-2018-17989

CVE-2018-17989 is a medium-severity vulnerability in Dlink Dsl-3782 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dlink Dsl-3782 Firmware
Published: 2019-04-01
Last modified: 2026-06-17

Description

A stored XSS vulnerability exists in the web interface on D-Link DSL-3782 devices with firmware 1.01 that allows authenticated attackers to inject a JavaScript or HTML payload inside the ACL page. The injected payload would be executed in a user's browser when "/cgi-bin/New_GUI/Acl.asp" is requested.

Frequently asked questions

What is CVE-2018-17989?: A stored XSS vulnerability exists in the web interface on D-Link DSL-3782 devices with firmware 1.01 that allows authenticated attackers to inject a JavaScript or HTML payload inside the ACL page. The injected payload would be executed in a user's browser when "/cgi-bin/New_GUI/Acl.asp" is requested.
How severe is CVE-2018-17989?: CVE-2018-17989 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-17989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17989?: CVE-2018-17989 affects Dlink Dsl-3782 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17989 published?: CVE-2018-17989 was published on 2019-04-01 and last updated on 2026-06-17.

References

https://c0mix.github.io/2019/D-Link-DIR-3782-SecAdvisory-OS-Command-Injection-and-Stored-XSS/

Affected products (1)

cpe:2.3:o:dlink:dsl-3782_firmware:1.01:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dsl-3782 Firmware

CVE-2018-8898 — Critical (CVSS 9.8): A flaw in the authentication mechanism in the Login Panel of router D-Link DSL-3782 (A1_WI_20170303 ||…
CVE-2023-44959 — High (CVSS 8.8): An issue found in D-Link DSL-3782 v.1.03 and before allows remote authenticated users to execute arbitrary code as root…
CVE-2023-27216 — High (CVSS 8.8): An issue found in D-Link DSL-3782 v.1.03 allows remote authenticated users to execute arbitrary code as root via the…
CVE-2022-34528 — High (CVSS 8.8): D-Link DSL-3782 v1.03 and below was discovered to contain a stack overflow via the function getAttrValue.
CVE-2022-34527 — High (CVSS 8.8): D-Link DSL-3782 v1.03 and below was discovered to contain a command injection vulnerability via the function…
CVE-2018-17990 — High (CVSS 8.8): An issue was discovered on D-Link DSL-3782 devices with firmware 1.01. An OS command injection vulnerability in Acl.asp…

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