CVE-2026-13516

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in Tenda JD12L 16.03.53.23. The affected element is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet. Performing a manipulation of the argument shareSpeed results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
56(Track*)
EG Risk 56/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

June 28, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

腾达(Tenda) 腾达中文网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic🟡 PoC Available

Tenda Router Latest version JD12L Pro V16.03.53.23 - Buffer Overflow in `/goform/WifiGuestSet` · Issue #2 · cve-a/Vampirensa · GitHub

https://github.com/cve-a/Vampirensa/issues/2

Vendor Advisories for CVE-2026-13516(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 80× 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.

  1. 2026-07-27 16:58 UTCEG score recompute
  2. 2026-07-27 16:58 UTCGHSA enrichment
  3. 2026-07-27 14:13 UTCEPSS rescore
  4. 2026-07-27 02:33 UTCEG score recompute
  5. 2026-07-27 02:33 UTCGHSA enrichment
  6. 2026-07-26 14:54 UTCEPSS rescore
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:23 UTCEG score recompute
  9. 2026-07-26 14:23 UTCGHSA enrichment
  10. 2026-07-25 14:17 UTCEPSS rescore
  11. 2026-07-24 14:17 UTCEPSS rescore
  12. 2026-07-23 14:18 UTCEPSS rescore
  13. 2026-07-23 03:05 UTCEG score recompute
  14. 2026-07-22 14:08 UTCEPSS rescore
  15. 2026-07-21 15:24 UTCEPSS rescore
  16. 2026-07-20 17:08 UTCEPSS rescore
  17. 2026-07-19 14:30 UTCEPSS rescore
  18. 2026-07-19 02:28 UTCEPSS rescore
  19. 2026-07-18 10:04 UTCEPSS rescore
  20. 2026-07-17 02:34 UTCGHSA enrichment
  21. 2026-07-16 17:02 UTCEPSS rescore
  22. 2026-07-16 14:29 UTCGHSA enrichment
  23. 2026-07-16 02:26 UTCGHSA enrichment
  24. 2026-07-15 16:57 UTCEPSS rescore
  25. 2026-07-15 14:23 UTCGHSA enrichment
Show 55 more
  1. 2026-07-15 02:17 UTCGHSA enrichment
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-14 14:14 UTCGHSA enrichment
  4. 2026-07-14 02:10 UTCGHSA enrichment
  5. 2026-07-13 22:30 UTCEPSS rescore
  6. 2026-07-13 14:07 UTCGHSA enrichment
  7. 2026-07-13 06:12 UTCEPSS rescore
  8. 2026-07-13 02:03 UTCGHSA enrichment
  9. 2026-07-12 13:59 UTCGHSA enrichment
  10. 2026-07-12 05:46 UTCEPSS rescore
  11. 2026-07-12 01:55 UTCGHSA enrichment
  12. 2026-07-11 13:52 UTCGHSA enrichment
  13. 2026-07-11 08:27 UTCEPSS rescore
  14. 2026-07-11 01:49 UTCGHSA enrichment
  15. 2026-07-10 13:42 UTCGHSA enrichment
  16. 2026-07-10 01:36 UTCGHSA enrichment
  17. 2026-07-09 19:10 UTCEPSS rescore
  18. 2026-07-09 13:29 UTCGHSA enrichment
  19. 2026-07-09 01:25 UTCGHSA enrichment
  20. 2026-07-08 15:15 UTCEPSS rescore
  21. 2026-07-08 15:15 UTCEPSS rescore
  22. 2026-07-08 13:20 UTCGHSA enrichment
  23. 2026-07-08 01:15 UTCGHSA enrichment
  24. 2026-07-07 13:46 UTCEPSS rescore
  25. 2026-07-07 13:12 UTCGHSA enrichment
  26. 2026-07-07 01:09 UTCGHSA enrichment
  27. 2026-07-06 16:27 UTCEPSS rescore
  28. 2026-07-06 13:05 UTCGHSA enrichment
  29. 2026-07-06 02:23 UTCEPSS rescore
  30. 2026-07-06 01:02 UTCGHSA enrichment
  31. 2026-07-05 12:52 UTCGHSA enrichment
  32. 2026-07-05 02:30 UTCEPSS rescore
  33. 2026-07-05 02:30 UTCEPSS rescore
  34. 2026-07-05 00:47 UTCGHSA enrichment
  35. 2026-07-04 12:44 UTCGHSA enrichment
  36. 2026-07-04 06:31 UTCEPSS rescore
  37. 2026-07-04 00:41 UTCGHSA enrichment
  38. 2026-07-03 12:35 UTCGHSA enrichment
  39. 2026-07-03 00:27 UTCGHSA enrichment
  40. 2026-07-02 12:24 UTCGHSA enrichment
  41. 2026-07-02 00:20 UTCGHSA enrichment
  42. 2026-07-01 15:06 UTCEPSS rescore
  43. 2026-07-01 15:06 UTCEPSS rescore
  44. 2026-07-01 12:17 UTCGHSA enrichment
  45. 2026-07-01 00:11 UTCGHSA enrichment
  46. 2026-06-30 23:22 UTCEPSS rescore
  47. 2026-06-30 12:08 UTCGHSA enrichment
  48. 2026-06-30 00:05 UTCGHSA enrichment
  49. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 7.4
  50. 2026-06-29 14:52 UTCMITRE cvelistV5CVSS v4 → 8.7
  51. 2026-06-29 14:06 UTCEPSS rescore
  52. 2026-06-29 12:01 UTCGHSA enrichment
  53. 2026-06-29 02:03 UTCNVD updateCVSS v4 → 7.4
  54. 2026-06-28 23:58 UTCEG score recompute
  55. 2026-06-28 23:57 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13516?
CVE-2026-13516 is a high vulnerability published on June 28, 2026. A vulnerability was detected in Tenda JD12L 16.03.53.23. The affected element is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet. Performing a manipulation of the argument shareSpeed results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now…
When was CVE-2026-13516 disclosed?
CVE-2026-13516 was first published in the National Vulnerability Database on June 28, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13516 actively exploited?
CVE-2026-13516 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.2% of all scored CVEs.
What is the CVSS score of CVE-2026-13516?
CVE-2026-13516 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-13516?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13516, 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.

Dependency Blast Radius

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