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Vulnerability record · CVE-2017-3193 · published 16 December 2017

CVE-2017-3193: Dlink dir-850l firmware stack-based buffer overflow vulnerability

Dlink · Dir 850l Firmware

Multiple D-Link devices including the DIR-850L firmware versions 1.14B07 and 2.07.B05 contain a stack-based buffer overflow vulnerability in the web administration interface HNAP service.

8.8 CVSS 3.1 High EPSS 5.6% · top 7.4% CWE-121 · Stack-based buffer overflowCWE-119 · Memory buffer overflow
8.8CVSS 3.1 base score, v2 8.3
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Multiple D-Link devices including the DIR-850L firmware versions 1.14B07 and 2.07.B05 contain a stack-based buffer overflow vulnerability in the web administration interface HNAP service.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/96747 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/viewAlert.x?alertId=52967 PatchThird Party Advisory
https://twitter.com/NCCGroupInfosec/status/845269159277723649 Third Party Advisory
https://www.kb.cert.org/vuls/id/305448 Third Party AdvisoryUS Government ResourceVDB Entry
https://www.nccgroup.trust/uk/our-research/d-link-dir-850l-web-admin-interface-vulnerable-to-stack-based-buffer-overflow Third Party Advisory
http://www.securityfocus.com/bid/96747 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/viewAlert.x?alertId=52967 PatchThird Party Advisory
https://twitter.com/NCCGroupInfosec/status/845269159277723649 Third Party Advisory
https://www.kb.cert.org/vuls/id/305448 Third Party AdvisoryUS Government ResourceVDB Entry
https://www.nccgroup.trust/uk/our-research/d-link-dir-850l-web-admin-interface-vulnerable-to-stack-based-buffer-overflow Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-49004Dlink dir-850l firmware code injection vulnerabilityAn issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.EPSS 1.9%9.8CVE-2018-20675Dlink dir-822 firmware improper authentication vulnerabilityD-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-8…EPSS 1.8%9.8CVE-2016-6563D-Link DIR routers stack buffer overflow via HNAP SOAP loginMalformed SOAP messages sent to the HNAP Login action overflow a stack buffer in several D-Link DIR router models. The vulnerable XML fields are Acti…EPSS 80%analysed9.8CVE-2018-9032Dlink dir-850l firmware improper authentication vulnerabilityAn authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hardware Version : A1, B1; Firmware Version…EPSS 28%9.8CVE-2017-14417Dlink dir-850l firmware missing authentication for critical function vulnerabilityregister_send.php on D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices does not require authentication, which can result in unintende…EPSS 1.3%9.8CVE-2017-14421Dlink dir-850l firmware hard-coded credentials vulnerabilityD-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of wrgac25_dlink.2013gui_dir850l for the Alphanetworks ac…EPSS 2.3%9.8CVE-2017-14429Dlink dir-850l firmware os command injection vulnerabilityThe DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows …EPSS 4.9%8.8CVE-2018-20674Dlink dir-822 firmware vulnerabilityD-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-8…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2017-3193), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.