CVE-2025-51383: D-LINK DI-8200 16.07.26A1 is vulnerable to Buffer Overflow in the ipsec_road_asp function via the host_ip para

Routine

LOW 3.5MITIGATE

CVE-2025-51383 is a low-severity flaw (CVSS 3.5) affecting di-8200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-LINK DI-8200 16.07.26A1 is vulnerable to Buffer Overflow in the ipsec_road_asp function via the host_ip parameter.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-07-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dlink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-31 18:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

dlink di-8200 firmware MITIGATE

Affected: 16.07.26a1

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.07.26a1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-51383?

di-8200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-51383 being exploited?

CVE-2025-51383 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-51383 affect?

CVE-2025-51383 affects di-8200 firmware. Severity is low (CVSS 3.5). D-LINK DI-8200 16.07.26A1 is vulnerable to Buffer Overflow in the ipsec_road_asp function via the host_ip parameter.

How urgent is CVE-2025-51383?

Priority 26/100. Public exploit reference

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2025-51385 LOW 3.5 MITIGATE D-LINK DI-8200 16.07.26A1 is vulnerable to Buffer Overflow in the yyxz_dlink_asp function via the id parameter
CVE-2025-51384 LOW 3.5 MITIGATE D-LINK DI-8200 16.07.26A1 is vulnerable to Buffer Overflow in the ipsec_net_asp function via the remot_ip para
CVE-2024-51151 CRITICAL 9.8 MITIGATE D-Link DI-8200 16.07.26A1 is vulnerable to remote command execution in the msp_info_htm function via the flag

References

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