Trending
CVE-2026-3727

CVE detail

CVE-2026-3727

A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function sub_3C6C0 of the file /goform/QuickIndex. The manipulation of the argument mit_linktype/PPPOEPassword results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

CVSS 7.4 · HighBuzz score 33.91 public exploit repository references

Buzz score

Why this CVE is surfacing

Buzz score total 33.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 4.5

Mention score

17.9

5 evidence mentions in the snapshot

Diversity score

11.5

3 sources across 2 categories

KEV score

0.0

No KEV entry observed

OTX score

0.0

0 OTX pulses

PoC score

4.5

1 repos · best confidence 0.90

Best PoC traction

Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions: 0; within the 30d window
Peak daily: 0; highest bucket

Evidence

Source links by recency

Newest mentions first

5 source links · newest first

https://www.tenda.com.cn/www.tenda.com.cn
No excerpt available.
Third Party Advisorywww.tenda.com.cnMar 8, 2026, 10:15 AM
https://vuldb.com/?submit.766932vuldb.com
No excerpt available.
Exploitvuldb.comMar 8, 2026, 10:15 AM
https://vuldb.com/?id.349705vuldb.com
No excerpt available.
Exploitvuldb.comMar 8, 2026, 10:15 AM
https://vuldb.com/?ctiid.349705vuldb.com
No excerpt available.
Exploitvuldb.comMar 8, 2026, 10:15 AM
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_96/README.mdgithub.com
No excerpt available.
Exploitgithub.comMar 8, 2026, 10:15 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

1 repository references · best confidence 0.90 · max 0 stars

Litengzheng/vul_dbHigh confidence
githubNVD Exploit reference0 starsDiscovered Jul 12, 2026, 6:20 PM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence

CVE-2026-5021
A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. This manipulation of the arg…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-4553
A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /goform/Natlimit of the component Parameters Handler. The manipulation of t…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-4552
A vulnerability was determined in Tenda F453 1.0.0.3. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component Parameters Handler. Executing…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-4551
A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component Parameters Hand…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-3769
A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function WrlclientSet of the file /goform/WrlclientSet. The manipulation of the argument GO resul…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-3768
A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation…
CVSS 7.4 · High
Public PoC observed5 mentions

External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2026-3727.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

Sign-in required. Shodan requires you to sign in to run these filter searches.

Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:h:tenda:f453Search this product on Shodan
cpe:2.3:o:tenda:f453_firmwareSearch this product on Shodan

Exact CVE query

Eligible paid Shodan plan required

Shodan's exact vuln: filter is separate from the product searches above and requires an eligible paid Shodan plan.

vuln:CVE-2026-3727Search this CVE on Shodan

These are outbound search links only. cvebuzz makes no Shodan API call, uses no Shodan API key, and does not display live result counts.

Metadata

Canonical fields

NVD status

Analyzed

Published

Mar 8, 2026

Modified

Jun 17, 2026

Official record

Authoritative NVD record

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE IDs

Vendor classifications

How this vector reads

CVSS 4.0 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Attack Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Attack Requirements (AT): None. No prerequisite deployment or execution condition is required.
Privileges Required (PR): Low. The attacker needs basic user-level privileges.
User Interaction (UI): None. Exploitation does not require a targeted user to act.
Vulnerable System Confidentiality (VC): High. There is a total or serious impact to this security property.
Vulnerable System Integrity (VI): High. There is a total or serious impact to this security property.
Vulnerable System Availability (VA): High. There is a total or serious impact to this security property.
Subsequent System Confidentiality (SC): None. There is no direct impact to this security property.
Subsequent System Integrity (SI): None. There is no direct impact to this security property.
Subsequent System Availability (SA): None. There is no direct impact to this security property.

Optional CVSS v4 metrics remain in the raw vector; only base metrics are expanded here.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses