CVE-2025-60674: A stack buffer overflow vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin in the rc bi

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MEDIUM 6.8MITIGATE

CVE-2025-60674 is a medium-severity flaw (CVSS 6.8) affecting dir-878 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stack buffer overflow vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin in the rc binary's USB storage handling module. The vulnerability occurs when the "Serial Number" field from a USB device is read via sscanf into a 64-byte stack buffer, while fgets reads up to 127 bytes, causing a stack overflow. An attacker with physical access or control over a USB device can exploit this vulnerability to potentially execute arbit

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-11-13
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: dlink

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-13 19:15 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

dlink dir-878 firmware MITIGATE

Affected: 1.01b04

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.01b04

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-2025-60674?

dir-878 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-60674 being exploited?

CVE-2025-60674 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-2025-60674 affect?

CVE-2025-60674 affects dir-878 firmware. Severity is medium (CVSS 6.8). A stack buffer overflow vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin in the rc binary's USB storage handling module. The vulnerability occurs when the "Serial Number" field from a USB device is read via sscanf i

How urgent is CVE-2025-60674?

Priority 41/100. Public exploit reference

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2025-60676 MEDIUM 6.5 MITIGATE An unauthenticated command injection vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin
CVE-2025-60673 MEDIUM 6.5 MITIGATE An unauthenticated command injection vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin
CVE-2025-60672 MEDIUM 6.5 MITIGATE An unauthenticated command injection vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin
CVE-2025-0481 MEDIUM 5.3 MITIGATE A vulnerability classified as problematic has been found in D-Link DIR-878 1.03
CVE-2024-48638 HIGH 8.0 MITIGATE MITIGATE D-Link DIR_882_FW130B06 and DIR_878 DIR_878_FW130B08 were discovered to contain a command injection vulnerabil

References

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