CVE-2023-4746

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2023-09-04. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

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

A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the impact is to bypass the validation which leads to to OS command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238635.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

September 4, 2023

Last Modified

June 17, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 42× 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 102 total refreshes for this CVE.

  1. 2026-07-26 14:52 UTCEPSS rescore
  2. 2026-07-25 14:16 UTCEPSS rescore
  3. 2026-07-24 14:16 UTCEPSS rescore
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  6. 2026-07-23 02:27 UTCEG score recompute
  7. 2026-07-22 23:14 UTCEG score recompute
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  1. 2026-07-12 05:45 UTCEPSS rescore
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  25. 2026-06-21 14:55 UTCEPSS rescore
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  41. 2026-06-11 13:59 UTCEPSS rescore
  42. 2026-06-10 22:17 UTCEPSS rescore
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  44. 2026-06-08 14:16 UTCEPSS rescore
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  52. 2026-06-05 06:09 UTCEPSS rescore
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  55. 2026-06-04 13:11 UTCEPSS rescore
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  72. 2026-05-26 07:18 UTCEPSS rescore
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  74. 2026-05-26 07:18 UTCEPSS rescore
  75. 2026-05-24 18:19 UTCEG score recompute

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Frequently asked(5)

What is CVE-2023-4746?
CVE-2023-4746 is a high vulnerability published on September 4, 2023. A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437B20230519. This affects the function Validitycheck. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the…
When was CVE-2023-4746 disclosed?
CVE-2023-4746 was first published in the National Vulnerability Database on September 4, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4746 actively exploited?
CVE-2023-4746 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.4% of all scored CVEs.
What is the CVSS score of CVE-2023-4746?
CVE-2023-4746 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2023-4746?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4746, 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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