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CVE-2024-3875· NVD / CVE Program· CNA VulDB

Tenda F1202 Natlimit fromNatlimit stack-based overflow

A vulnerability was found in Tenda F1202 1.2.0.20(408). It has been rated as critical. This issue affects the function fromNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260909 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

HighCVSS 8.8 · v3.1—No exploit No fix recorded

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Published
Apr 16, 2024
Updated
Jun 17, 2026
EPSS
1.6% · 75th percentile
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Report tools

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Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · VulDB
8.8
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
tendaf1202 firmware
tendaf1202

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • tenda f1202 firmware1.2.0.20(408)

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • Tenda F1202

    • 1.2.0.20(408)affected

Same product

tenda: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-30635Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability located in the funcpara1 parameter in the formSetCfm function.
    39Monitor
  • CVE-2023-38939Tenda F1202 V1.2.0.9 and FH1202 V1.2.0.9 were discovered to contain a stack overflow via the mit_ssid parameter in the formWrlsafeset functi
    39Monitor
  • CVE-2023-38938Tenda F1202 V1.2.0.9, PA202 V1.1.2.5, PW201A V1.1.2.5 and FH1202 V1.2.0.9 were discovered to contain a stack overflow via the page parameter
    39Monitor
  • CVE-2023-38932Tenda F1202 V1.2.0.9, PA202 V1.1.2.5, PW201A V1.1.2.5 and FH1202 V1.2.0.9 were discovered to contain a stack overflow via the page parameter
    39Monitor
  • CVE-2023-37723Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function fro
    39Monitor
  • CVE-2023-37722Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function fro
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-38760 days apartTenda F1202 VirtualSer fromVirtualSer stack-based overflow
    36Monitor
  • CVE-2024-38770 days apartTenda F1202 fromqossetting stack-based overflow
    36Monitor
  • CVE-2024-38780 days apartTenda F1202 webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow
    36Monitor
  • CVE-2024-3063418 days apartTenda F1202 v1.2.0.20(408) has a stack overflow vulnerability via the mitInterface parameter in the fromAddressNat function.
    32Monitor
  • CVE-2024-3063618 days apartTenda F1202 v1.2.0.20(408) has a stack overflow vulnerability via the PPPOEPassword parameter in the formQuickIndex function.
    26Monitor
  • CVE-2024-3063918 days apartTenda F1202 v1.2.0.20(408) has a stack overflow vulnerability in the page parameter of fromAddressNat function.
    26Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-121 · Stack-based Buffer Overflow

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records