How severe is CVE-2020-25786?

CVE-2020-25786 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-2020-25786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25786?

CVE-2020-25786 primarily affects Dlink Dir-803 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25786?

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

When was CVE-2020-25786 published?

CVE-2020-25786 was published on 2020-09-19 and last updated on 2026-06-17.

CVE-2020-25786

CVE-2020-25786 is a medium-severity vulnerability in Dlink Dir-803 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dlink Dir-803 Firmware
Published: 2020-09-19
Last modified: 2026-06-17

Description

webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: this is typically not exploitable because of URL encoding (except in Internet Explorer) and because a web page cannot specify that a client should make an additional HTTP request with an arbitrary Referer header

Frequently asked questions

What is CVE-2020-25786?: webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: this is typically not exploitable because of URL encoding (except in Internet Explorer) and because a web page cannot specify that a client should make an additional HTTP request with an arbitrary Referer header
How severe is CVE-2020-25786?: CVE-2020-25786 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-2020-25786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25786?: CVE-2020-25786 primarily affects Dlink Dir-803 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25786 published?: CVE-2020-25786 was published on 2020-09-19 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:dlink:dir-803_firmware:1.04.b02:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-816l_firmware:2.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-816l_firmware:2.06.b09:beta:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-645_firmware:1.06b01:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-815_firmware:2.07.b01:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-860l_firmware:1.10b04:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-865l_firmware:1.08b01:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-803 Firmware

CVE-2025-14528 — Medium (CVSS 5.3): A vulnerability was detected in D-Link DIR-803 up to 1.04. Impacted is an unknown function of the file /getcfg.php of…

All CVEs affecting Dlink Dir-803 Firmware →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →