CVE-2016-10174

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 83%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter when invoking the URL /apply.cgi?/lang_check.html. This buffer overflow can be exploited by an unauthenticated attacker to achieve remote code execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
—
EPSS
99.7%
KEV
⚠ Exploited

Published

January 30, 2017

Last Modified

April 21, 2026

Advisory Details (5)

Auto-updated Apr 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/netgear-wnr2000.txt
generic

Full Disclosure: [0-day] RCE and admin credential disclosure in NETGEAR WNR2000

http://seclists.org/fulldisclosure/2016/Dec/72
generic

Insecure Remote Access and Command Execution Security Vulnerability, PSV-2016-0255 - NETGEAR Support

http://kb.netgear.com/000036549/Insecure-Remote-Access-and-Command-Execution-Security-Vulnerability
generic🟡 PoC Available

Netgear WNR2000v5 - 'hidden_lang_avi' Remote Stack Overflow (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/41719/
generic🟡 PoC Available

Netgear WNR2000v5 - Remote Code Execution - CGI remote Exploit

https://www.exploit-db.com/exploits/40949/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 56× in last 7d / 220× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 414 total refreshes for this CVE.

  1. 2026-07-22 22:00 UTCEG score recompute
  2. 2026-07-22 20:37 UTCGHSA enrichment
  3. 2026-07-22 19:40 UTCCISA KEV update
  4. 2026-07-22 16:46 UTCEG score recompute
  5. 2026-07-22 16:46 UTCGHSA enrichment
  6. 2026-07-22 14:04 UTCEPSS rescore
  7. 2026-07-22 12:53 UTCGHSA enrichment
  8. 2026-07-22 09:04 UTCGHSA enrichment
  9. 2026-07-22 05:15 UTCGHSA enrichment
  10. 2026-07-22 01:02 UTCGHSA enrichment
  11. 2026-07-21 18:36 UTCEG score recompute
  12. 2026-07-21 18:36 UTCGHSA enrichment
  13. 2026-07-21 15:21 UTCEPSS rescore
  14. 2026-07-21 15:21 UTCEPSS rescore
  15. 2026-07-21 14:47 UTCGHSA enrichment
  16. 2026-07-21 14:37 UTCCISA KEV update
  17. 2026-07-21 10:59 UTCGHSA enrichment
  18. 2026-07-21 07:10 UTCGHSA enrichment
  19. 2026-07-21 03:20 UTCGHSA enrichment
  20. 2026-07-20 23:30 UTCGHSA enrichment
  21. 2026-07-20 19:41 UTCGHSA enrichment
  22. 2026-07-20 15:52 UTCGHSA enrichment
  23. 2026-07-20 12:03 UTCGHSA enrichment
  24. 2026-07-20 08:13 UTCGHSA enrichment
  25. 2026-07-20 04:25 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 00:35 UTCGHSA enrichment
  2. 2026-07-19 20:45 UTCGHSA enrichment
  3. 2026-07-19 16:56 UTCGHSA enrichment
  4. 2026-07-19 13:07 UTCGHSA enrichment
  5. 2026-07-19 09:19 UTCGHSA enrichment
  6. 2026-07-19 05:30 UTCEG score recompute
  7. 2026-07-19 05:30 UTCGHSA enrichment
  8. 2026-07-19 02:26 UTCEPSS rescore
  9. 2026-07-19 02:26 UTCEPSS rescore
  10. 2026-07-19 01:41 UTCGHSA enrichment
  11. 2026-07-18 21:51 UTCGHSA enrichment
  12. 2026-07-18 18:01 UTCGHSA enrichment
  13. 2026-07-18 14:11 UTCGHSA enrichment
  14. 2026-07-18 10:22 UTCGHSA enrichment
  15. 2026-07-18 06:33 UTCGHSA enrichment
  16. 2026-07-18 02:43 UTCGHSA enrichment
  17. 2026-07-17 22:54 UTCGHSA enrichment
  18. 2026-07-17 19:05 UTCGHSA enrichment
  19. 2026-07-17 15:16 UTCGHSA enrichment
  20. 2026-07-17 11:27 UTCGHSA enrichment
  21. 2026-07-17 07:38 UTCEG score recompute
  22. 2026-07-17 07:38 UTCGHSA enrichment
  23. 2026-07-17 03:50 UTCGHSA enrichment
  24. 2026-07-16 23:59 UTCGHSA enrichment
  25. 2026-07-16 20:10 UTCGHSA enrichment
  26. 2026-07-16 17:04 UTCCISA KEV update
  27. 2026-07-16 16:21 UTCGHSA enrichment
  28. 2026-07-16 12:31 UTCGHSA enrichment
  29. 2026-07-16 08:43 UTCGHSA enrichment
  30. 2026-07-16 04:53 UTCGHSA enrichment
  31. 2026-07-16 01:04 UTCGHSA enrichment
  32. 2026-07-15 21:15 UTCGHSA enrichment
  33. 2026-07-15 17:24 UTCGHSA enrichment
  34. 2026-07-15 16:54 UTCEPSS rescore
  35. 2026-07-15 16:54 UTCEPSS rescore
  36. 2026-07-15 16:49 UTCCISA KEV update
  37. 2026-07-15 15:04 UTCCISA KEV update
  38. 2026-07-15 13:35 UTCGHSA enrichment
  39. 2026-07-15 09:46 UTCGHSA enrichment
  40. 2026-07-15 05:55 UTCGHSA enrichment
  41. 2026-07-15 02:06 UTCGHSA enrichment
  42. 2026-07-14 22:16 UTCGHSA enrichment
  43. 2026-07-14 18:27 UTCGHSA enrichment
  44. 2026-07-14 18:05 UTCCISA KEV update
  45. 2026-07-14 14:37 UTCGHSA enrichment
  46. 2026-07-14 10:49 UTCGHSA enrichment
  47. 2026-07-14 06:59 UTCGHSA enrichment
  48. 2026-07-14 03:08 UTCGHSA enrichment
  49. 2026-07-13 23:20 UTCGHSA enrichment
  50. 2026-07-13 19:30 UTCGHSA enrichment
  51. 2026-07-13 17:07 UTCCISA KEV update
  52. 2026-07-13 15:41 UTCGHSA enrichment
  53. 2026-07-13 11:53 UTCGHSA enrichment
  54. 2026-07-13 08:04 UTCGHSA enrichment
  55. 2026-07-13 04:14 UTCGHSA enrichment
  56. 2026-07-13 00:24 UTCGHSA enrichment
  57. 2026-07-12 20:35 UTCGHSA enrichment
  58. 2026-07-12 16:45 UTCGHSA enrichment
  59. 2026-07-12 12:56 UTCGHSA enrichment
  60. 2026-07-12 09:07 UTCGHSA enrichment
  61. 2026-07-12 05:18 UTCGHSA enrichment
  62. 2026-07-12 01:29 UTCGHSA enrichment
  63. 2026-07-11 21:40 UTCGHSA enrichment
  64. 2026-07-11 17:51 UTCGHSA enrichment
  65. 2026-07-11 14:02 UTCGHSA enrichment
  66. 2026-07-11 10:13 UTCGHSA enrichment
  67. 2026-07-11 06:24 UTCGHSA enrichment
  68. 2026-07-11 02:35 UTCGHSA enrichment
  69. 2026-07-10 22:45 UTCGHSA enrichment
  70. 2026-07-10 18:56 UTCGHSA enrichment
  71. 2026-07-10 17:52 UTCCISA KEV update
  72. 2026-07-10 15:06 UTCGHSA enrichment
  73. 2026-07-10 11:16 UTCGHSA enrichment
  74. 2026-07-10 07:27 UTCGHSA enrichment
  75. 2026-07-10 03:37 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-41719✓ verified
    First seen Mar 24, 2017

    Netgear WNR2000v5 - 'hidden_lang_avi' Remote Stack Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-40949
    First seen Dec 21, 2016

    Netgear WNR2000v5 - Remote Code Execution

    Open source ↗
  • Metasploitexploit/linux/http/netgear_wnr2000_rce✓ verified
    First seen Dec 20, 2016

    NETGEAR WNR2000v5 (Un)authenticated hidden_lang_avi Stack Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2016-10174?
CVE-2016-10174 is a critical vulnerability published on January 30, 2017. The NETGEAR WNR2000v5 router contains a buffer overflow in the hiddenlangavi parameter when invoking the URL /apply.cgi?/lang_check.html. This buffer overflow can be exploited by an unauthenticated attacker to achieve remote code execution.
When was CVE-2016-10174 disclosed?
CVE-2016-10174 was first published in the National Vulnerability Database on January 30, 2017, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-10174 actively exploited?
Yes. CISA added CVE-2016-10174 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting NETGEAR WNR2000v5 Router. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-10174?
CVE-2016-10174 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2016-10174?
CVE-2016-10174 affects NETGEAR WNR2000v5 Router. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2016-10174?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-10174, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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