CVE-2018-10968

CVE-2018-10968 is a critical-severity vulnerability in D-link Dir-550a Firmware with a CVSS 3.x base score of 9.8. 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-1188.

Key facts

Description

On D-Link DIR-550A and DIR-604M devices through v2.10KR, a malicious user can use a default TELNET account to get unauthorized access to vulnerable devices, aka a backdoor access vulnerability.

Frequently asked questions

What is CVE-2018-10968?
On D-Link DIR-550A and DIR-604M devices through v2.10KR, a malicious user can use a default TELNET account to get unauthorized access to vulnerable devices, aka a backdoor access vulnerability.
How severe is CVE-2018-10968?
CVE-2018-10968 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-10968 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10968?
CVE-2018-10968 primarily affects D-link Dir-550a Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-10968?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-10968 published?
CVE-2018-10968 was published on 2018-05-18 and last updated on 2026-06-17.

References

Affected products (2)

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