How severe is CVE-2016-1558?

CVE-2016-1558 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-2016-1558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1558?

CVE-2016-1558 primarily affects Dlink Dap-3662 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1558?

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-2016-1558 published?

CVE-2016-1558 was published on 2017-04-21 and last updated on 2026-06-17.

CVE-2016-1558

CVE-2016-1558 is a critical-severity vulnerability in Dlink Dap-3662 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dlink Dap-3662 Firmware
Published: 2017-04-21
Last modified: 2026-06-17

Description

Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360 2.06 and earlier, DAP-2553 H/W ver. B1 3.05 and earlier, DAP-2660 1.11 and earlier, DAP-2690 3.15 and earlier, DAP-2695 1.16 and earlier, DAP-3320 1.00 and earlier, and DAP-3662 1.01 and earlier allows remote attackers to have unspecified impact via a crafted 'dlink_uid' cookie.

Frequently asked questions

What is CVE-2016-1558?: Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360 2.06 and earlier, DAP-2553 H/W ver. B1 3.05 and earlier, DAP-2660 1.11 and earlier, DAP-2690 3.15 and earlier, DAP-2695 1.16 and earlier, DAP-3320 1.00 and earlier, and DAP-3662 1.01 and earlier allows remote attackers to have unspecified impact via a crafted 'dlink_uid' cookie.
How severe is CVE-2016-1558?: CVE-2016-1558 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-2016-1558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1558?: CVE-2016-1558 primarily affects Dlink Dap-3662 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1558?: 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-2016-1558 published?: CVE-2016-1558 was published on 2017-04-21 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:dlink:dap-3662_firmware:1.01:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2310_firmware:2.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2330_firmware:1.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2360_firmware:2.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2553_firmware:3.05:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2660_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2690_firmware:3.15:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2695_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-3320_firmware:1.00:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2230_firmware:1.02:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dap-3662 Firmware

CVE-2022-38873 — High (CVSS 7.5): D-Link devices DAP-2310 v2.10rc036 and earlier, DAP-2330 v1.06rc020 and earlier, DAP-2360 v2.10rc050 and earlier,…
CVE-2021-28840 — High (CVSS 7.5): Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043,…
CVE-2021-28839 — High (CVSS 7.5): Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043,…
CVE-2021-28838 — High (CVSS 7.5): Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055,…

All CVEs affecting Dlink Dap-3662 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-77946 — Critical (CVSS 10.0): A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function…
CVE-2026-76008 — Critical (CVSS 10.0): A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file…
CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
CVE-2026-74843 — Critical (CVSS 10.0): A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function…
CVE-2026-16367 — Critical (CVSS 10.0): Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →