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CVE-2025-7550· NVD / CVE Program· CNA VulDB

Tenda FH1201 GstDhcpSetSer fromGstDhcpSetSer stack-based overflow

A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been classified as critical. Affected is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer. The manipulation of the argument dips leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

HighCVSS 7.4 · v4.0—No exploit No fix recorded
Published
Jul 13, 2025
Updated
Jun 17, 2026
EPSS
0.8% · 55th percentile
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Report tools

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Action score

29

Monitor

Low priority for now.

CVSS
29 / 40 · 7.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
8.7
NVD has not scored this yet; the score shown is the CNA’s.

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

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

Affected systems

VendorProduct
tendafh1201 firmware
tendafh1201

Affected versions

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

  • tenda fh1201 firmware1.2.0.14(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 FH1201

    • 1.2.0.14(408)affected

Same product

tenda: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-42947An issue in the handler function in /goform/telnet of Tenda FH1201 v1.2.0.14 (408) allows attackers to execute arbitrary commands via a craf
    39Monitor
  • CVE-2024-42948Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the delno parameter in the fromPptpUserSetting function.
    33Monitor
  • CVE-2024-44859Tenda FH1201 v1.2.0.14 has a stack buffer overflow vulnerability in `formWrlExtraGet`.
    32Monitor
  • CVE-2025-6110Tenda FH1201 SafeMacFilter stack-based overflow
    31Monitor
  • CVE-2024-42955Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromSafeClientFilter function.
    30Monitor
  • CVE-2024-42952Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromqossetting function.
    30Monitor

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-2025-611027 days apartTenda FH1201 SafeMacFilter stack-based overflow
    31Monitor
  • CVE-2025-75480 days apartTenda FH1201 SafeEmailFilter formSafeEmailFilter stack-based overflow
    29Monitor
  • CVE-2025-75490 days apartTenda FH1201 L7Prot frmL7ProtForm stack-based overflow
    29Monitor
  • CVE-2025-75510 days apartTenda FH1201 PPTPDClient fromPptpUserAdd stack-based overflow
    29Monitor
  • CVE-2025-74631 days apartTenda FH1201 HTTP POST Request AdvSetWrlsafeset formWrlsafeset buffer overflow
    29Monitor
  • CVE-2025-74681 days apartTenda FH1201 HTTP POST Request fromSafeUrlFilter buffer overflow
    29Monitor

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
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
X

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

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

nvd-secondary

Attack context

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

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

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