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CVE-2023-51963· NVD / CVE Program· CNA mitre

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Jan 10, 2024
Updated
Jun 17, 2026
EPSS
0.9% · 57th percentile
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JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
tendaax1803
tendaax1803 firmware

Affected versions

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

  • tenda ax1803 firmware1.0.0.1

Same product

tenda: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-49043Buffer Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via the wpapsk_crypto parameter i
    43Plan
  • CVE-2023-51972Tenda AX1803 v1.0.0.1 was discovered to contain a command injection vulnerability via the function fromAdvSetLanIp.
    40Plan
  • CVE-2022-40876In Tenda ax1803 v1.0.0.1, the http requests handled by the fromAdvSetMacMtuWan functions, wanSpeed, cloneType, mac, can cause a stack overfl
    40Plan
  • CVE-2022-34596Tenda AX1803 v1.0.0.1_2890 was discovered to contain a command injection vulnerability via the function WanParameterSetting.
    40Plan
  • CVE-2022-34595Tenda AX1803 v1.0.0.1_2890 was discovered to contain a command injection vulnerability via the function setipv6status.
    40Plan
  • CVE-2024-4236Tenda AX1803 SetDDNSCfg formSetSysToolDDNS stack-based overflow
    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.

No credits in the CNA record.

Variant candidates

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

  • CVE-2023-4904344 days apartBuffer Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via the wpapsk_crypto parameter i
    43Plan
  • CVE-2022-40876440 days apartIn Tenda ax1803 v1.0.0.1, the http requests handled by the fromAdvSetMacMtuWan functions, wanSpeed, cloneType, mac, can cause a stack overfl
    40Plan
  • CVE-2023-519520 days apartTenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formSetIptv.
    39Monitor
  • CVE-2023-519680 days apartTenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo.
    39Monitor
  • CVE-2023-519690 days apartTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo.
    39Monitor
  • CVE-2023-519700 days apartTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.
    39Monitor

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.
  • No account or password is required.
  • 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
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

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

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