CVE-2018-10968
On D-Link DIR-550A and DIR-604M devices through v2.10KR, a malicious user can use a default...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-10968- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-1188
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-10968- Updated
- 2026-11-02
EUVDEUVD-2018-3019 No score
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.
- Record
EUVD-2018-3019- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m8gx-4w6q-hf55
On D-Link DIR-550A and DIR-604M devices through v2.10KR, a malicious user can use a default...
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.
- Record
GHSA-m8gx-4w6q-hf55- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1188
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-10968 is a critical vulnerability (CVSS 9.8) in D-link Dir-550a Firmware, published May 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.72%, the 77th percentile. No source names a fixed version.