CVE-2023-39666

9.8 criticalEPSS 1.4%

Critical (9.8) in dlink dir-842 firmware. EPSS 1.4% chance of exploitation in the next 30 days.

D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 was discovered to contain multiple buffer overflows in the fgets function via the acStack_120 and acStack_220 parameters.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2023-08-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-842_firmware

References

https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR-842%20buffer%20overflow.md
https://support.dlink.com/
https://www.dlink.com/en/security-bulletin/
https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR-842%20buffer%20overflow.md
https://support.dlink.com/

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