The most common and most likely answer to this crossword clue is the 8 letter word WOODWORM
I've seen this crossword clue in The Daily Telegraph
W
O
O
D
W
O
R
M
More clues leading to the result WOODWORM
Buddy explains!
The straight part
We know that "problem with furniture" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case problem with furniture = woodworm.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WOODWORM mean?
WOODWORM noun- Any of many beetle larvae that bore into wood.
- A shipworm, a worm-like mollusk in the family Teredinidae that feeds on wood underwater in saltwater.